Interventional Radiology Thesis Topics

This page covers interventional radiology thesis topics across image-guided biopsy and drainage, vascular access, angiography and embolisation, peripheral vascular procedures, hepatobiliary and genitourinary interventions, tumour ablation, neurointervention and procedure-related complications for MD Radiodiagnosis candidates. The emphasis is on image-guided intervention research topics that can be completed within one thesis period using patients, imaging, procedure records and follow-up information already available in a teaching hospital, without making access to uncommon devices or experimental techniques a prerequisite. A defensible radiodiagnosis protocol should define the patient, lesion or procedure as the unit of analysis, separate technical from clinical outcomes and fix the complication and follow-up windows before data collection; the same definitions should carry unchanged into the radiology synopsis.

Last reviewed and updated: September 2026 · 2026–27 admissions

Image-guided biopsy

An observational cross-sectional study of diagnostic yield and adequacy of ultrasound-guided core needle biopsy in focal liver lesions at a tertiary care teaching hospital.
A comparative cross-sectional study of diagnostic adequacy of ultrasound-guided fine needle aspiration cytology and core needle biopsy in peripheral lymph node lesions.
An analytical cross-sectional study of lesion size, depth, and imaging characteristics associated with adequacy of ultrasound-guided liver biopsy specimens.
A diagnostic accuracy cross-sectional study of ultrasound-guided core needle biopsy for characterization of solid hepatic lesions using histopathology as the reference standard.
An observational cross-sectional study of adequacy and immediate complications of computed tomography-guided lung biopsy in patients with peripheral pulmonary lesions.
An analytical cross-sectional study of lesion size, pleural distance, and needle path as determinants of pneumothorax following computed tomography-guided transthoracic lung biopsy.
A comparative cross-sectional study of diagnostic yield of computed tomography-guided biopsy in peripheral and central lung lesions.
An observational cross-sectional study of image-guided biopsy findings in musculoskeletal lesions presenting to a tertiary care referral hospital.
A comparative cross-sectional study of diagnostic adequacy of ultrasound-guided and computed tomography-guided biopsy of abdominal masses.
An analytical cross-sectional study of imaging morphology associated with histopathological diagnosis in image-guided biopsy of retroperitoneal masses.
An observational cross-sectional study of diagnostic yield and immediate complications of image-guided renal mass biopsy.
A comparative cross-sectional study of core needle biopsy adequacy in solid and predominantly necrotic abdominal masses.
An analytical cross-sectional study of needle gauge, number of cores obtained, and lesion characteristics associated with diagnostic adequacy in image-guided biopsy.
An observational cross-sectional study of ultrasound-guided biopsy findings in thyroid nodules with suspicious sonographic features.
A diagnostic accuracy cross-sectional study of ultrasound-guided core needle biopsy in indeterminate thyroid nodules using histopathological diagnosis as the reference standard.
A comparative cross-sectional study of diagnostic yield of ultrasound-guided biopsy in superficial and deep-seated lymph nodes.
An analytical cross-sectional study of lesion vascularity and necrosis on imaging as predictors of non-diagnostic image-guided biopsy.
An observational cross-sectional study of image-guided biopsy of pancreatic masses and factors associated with specimen adequacy.
A comparative cross-sectional study of diagnostic adequacy of image-guided biopsy in primary and metastatic liver lesions.
An observational cross-sectional study of immediate post-procedural complications following percutaneous image-guided biopsy of abdominal organs.
An analytical cross-sectional study of patient coagulation parameters and procedure-related factors associated with bleeding after percutaneous image-guided biopsy.
A comparative cross-sectional study of biopsy adequacy using coaxial and non-coaxial techniques in computed tomography-guided tissue sampling.
An observational cross-sectional study of computed tomography-guided biopsy findings in mediastinal masses at a tertiary care hospital.
An analytical cross-sectional study of lesion location and access route associated with technical success of computed tomography-guided mediastinal biopsy.
A comparative cross-sectional study of diagnostic yield of image-guided biopsy in osteolytic and sclerotic bone lesions.
An observational cross-sectional study of diagnostic yield of computed tomography-guided vertebral biopsy in suspected spinal infection and neoplastic disease.
An analytical cross-sectional study of imaging characteristics associated with positive microbiological yield from image-guided biopsy in suspected musculoskeletal infection.
A comparative cross-sectional study of diagnostic adequacy of image-guided biopsy performed by different needle gauges in solid abdominal lesions.
An observational cross-sectional study of indications, diagnostic yield, and immediate complications of image-guided biopsy procedures performed in an interventional radiology unit.
An analytical cross-sectional study of patient, lesion, and procedural factors associated with non-diagnostic results after percutaneous image-guided biopsy.

Percutaneous drainage procedures

An observational cross-sectional study of indications, technical success, and immediate complications of ultrasound-guided percutaneous drainage of intra-abdominal collections.
An analytical cross-sectional study of collection size, echogenicity, septations, and anatomical location associated with technical difficulty of percutaneous drainage.
A comparative cross-sectional study of catheter drainage characteristics in unilocular and multiloculated intra-abdominal abscesses.
An observational cross-sectional study of ultrasound-guided percutaneous drainage of liver abscesses in patients presenting to a tertiary care hospital.
A comparative cross-sectional study of procedural characteristics of percutaneous catheter drainage in pyogenic and amoebic liver abscesses.
An analytical cross-sectional study of abscess volume, liquefaction, and septations associated with technical success of image-guided liver abscess drainage.
An observational cross-sectional study of image-guided drainage of postoperative abdominal collections and their microbiological profile.
A comparative cross-sectional study of ultrasound-guided and computed tomography-guided drainage of deep abdominal and pelvic collections.
An analytical cross-sectional study of access route, collection depth, and viscosity associated with catheter-related technical difficulties during percutaneous drainage.
An observational cross-sectional study of immediate complications associated with percutaneous catheter drainage of abdominal and pelvic collections.
A comparative cross-sectional study of technical success of percutaneous drainage in superficial and deep pelvic collections.
An observational cross-sectional study of transabdominal image-guided drainage of pelvic abscesses in adult patients.
An analytical cross-sectional study of imaging characteristics associated with purulent aspirate in image-guided drainage of suspected abdominal collections.
A comparative cross-sectional study of microbiological yield from needle aspiration and catheter drainage specimens in intra-abdominal abscesses.
An observational cross-sectional study of image-guided drainage procedures in acute pancreatitis-associated collections.
An analytical cross-sectional study of collection wall maturity, internal debris, and anatomical location associated with technical complexity of percutaneous pancreatic collection drainage.
A comparative cross-sectional study of drainage characteristics of pancreatic pseudocysts and walled-off necrotic collections undergoing percutaneous intervention.
An observational cross-sectional study of percutaneous drainage of renal and perinephric collections at a tertiary care centre.
A comparative cross-sectional study of imaging and procedural characteristics of renal, perinephric, and psoas abscess drainage.
An analytical cross-sectional study of abscess size and loculation as determinants of catheter caliber selected during image-guided drainage.
An observational cross-sectional study of image-guided pigtail catheter drainage of pleural collections performed by interventional radiology.
A comparative cross-sectional study of imaging features and technical characteristics of drainage in simple and loculated pleural collections.
An analytical cross-sectional study of pleural collection depth, septations, and viscosity associated with technical difficulty of image-guided catheter placement.
An observational cross-sectional study of catheter malposition, blockage, bleeding, and other immediate complications during percutaneous drainage procedures.
A comparative cross-sectional study of Seldinger and trocar techniques for image-guided catheter drainage in routine interventional radiology practice.
An analytical cross-sectional study of patient body habitus and collection depth associated with fluoroscopy requirement during otherwise ultrasound-guided drainage procedures.
An observational cross-sectional study of image-guided drainage of postoperative collections following hepatobiliary and gastrointestinal surgery.
A comparative cross-sectional study of procedural complexity of drainage in infected and non-infected postoperative collections.
An analytical cross-sectional study of imaging predictors of difficult catheter placement in percutaneous drainage of abdominal collections.
An observational cross-sectional study of spectrum, technical success, and immediate complications of percutaneous drainage procedures performed in an Indian tertiary care interventional radiology unit.

Vascular access procedures

An observational cross-sectional study of technical success and immediate complications of ultrasound-guided internal jugular venous catheter placement.
A comparative cross-sectional study of first-attempt success of ultrasound-guided internal jugular and femoral venous access procedures.
An analytical cross-sectional study of vessel diameter, depth, and anatomical variation associated with difficulty of ultrasound-guided central venous access.
A comparative cross-sectional study of short-axis and long-axis ultrasound approaches for internal jugular venous puncture during routine vascular access.
An observational cross-sectional study of anatomical variations of the internal jugular vein relevant to ultrasound-guided central venous access.
An analytical cross-sectional study of internal jugular vein overlap with the carotid artery and its association with puncture difficulty.
A comparative cross-sectional study of vascular access characteristics in obese and non-obese adult patients undergoing ultrasound-guided central venous catheter placement.
An observational cross-sectional study of ultrasound-guided femoral venous access in patients requiring central venous catheterisation.
An analytical cross-sectional study of femoral vein depth and caliber associated with first-attempt puncture success.
A comparative cross-sectional study of ultrasound-guided and landmark-guided central venous access performed as part of routine clinical care.
An observational cross-sectional study of immediate complications following image-guided central venous catheter placement.
An analytical cross-sectional study of patient and procedural factors associated with accidental arterial puncture during central venous access.
A comparative cross-sectional study of right-sided and left-sided internal jugular venous access with respect to technical difficulty and immediate complications.
An observational cross-sectional study of ultrasound-guided peripherally inserted central catheter placement in adult hospital patients.
An analytical cross-sectional study of upper-limb vein diameter and depth associated with successful peripherally inserted central catheter placement.
A comparative cross-sectional study of basilic and brachial venous access for ultrasound-guided peripherally inserted central catheter insertion.
An observational cross-sectional study of image-guided tunneled dialysis catheter placement in patients with chronic kidney disease.
A comparative cross-sectional study of internal jugular and femoral routes for temporary dialysis catheter insertion under image guidance.
An analytical cross-sectional study of central venous thrombosis and stenosis detected during vascular access procedures in patients with previous catheterisation.
An observational cross-sectional study of fluoroscopic abnormalities encountered during difficult central venous catheter placement.
A comparative cross-sectional study of vascular access characteristics in patients with and without previous central venous catheterisation.
An analytical cross-sectional study of number of previous vascular access procedures and prevalence of central venous occlusive changes.
An observational cross-sectional study of image-guided placement of implantable venous access ports in oncology patients.
A comparative cross-sectional study of internal jugular and subclavian venous routes for implantable venous access port placement.
An analytical cross-sectional study of venous anatomy and catheter tip position associated with technical difficulty during implantable port insertion.
An observational cross-sectional study of ultrasound-guided arterial access for interventional radiology procedures.
A comparative cross-sectional study of common femoral and radial arterial access characteristics during diagnostic and interventional angiographic procedures.
An analytical cross-sectional study of artery diameter, calcification, and depth associated with difficulty of percutaneous arterial access.
An observational cross-sectional study of immediate access-site complications following image-guided arterial and venous puncture procedures.
An analytical cross-sectional study of demographic, anatomical, and procedural determinants of first-attempt success in image-guided vascular access procedures.

Angiography and embolization

An observational cross-sectional study of indications, angiographic findings, and technical outcomes of emergency transcatheter arterial embolization in a tertiary care hospital.
An analytical cross-sectional study of angiographic bleeding patterns associated with embolization requirement in patients with acute haemorrhage.
A comparative cross-sectional study of angiographic findings in traumatic and non-traumatic arterial bleeding undergoing embolization.
An observational cross-sectional study of angiographic findings and embolization techniques in patients with gastrointestinal haemorrhage.
A comparative cross-sectional study of upper and lower gastrointestinal arterial bleeding with respect to angiographic source and embolization characteristics.
An analytical cross-sectional study of contrast extravasation and pseudoaneurysm on angiography as determinants of embolization strategy in gastrointestinal bleeding.
An observational cross-sectional study of transcatheter arterial embolization for hemoptysis and bronchial artery abnormalities identified on angiography.
A comparative cross-sectional study of angiographic findings in patients with massive and non-massive hemoptysis undergoing bronchial artery embolization.
An analytical cross-sectional study of hypertrophied bronchial and non-bronchial systemic arteries associated with technically complex hemoptysis embolization.
An observational cross-sectional study of angiographic patterns in pelvic arterial bleeding following blunt trauma.
A comparative cross-sectional study of embolization characteristics in solid-organ and pelvic traumatic haemorrhage.
An analytical cross-sectional study of computed tomography angiographic findings associated with positive catheter angiography in acute traumatic bleeding.
A diagnostic accuracy cross-sectional study of computed tomography angiography for identifying active arterial bleeding using catheter angiography as the reference standard.
An observational cross-sectional study of angiographic findings in post-surgical and post-procedural haemorrhage requiring transcatheter embolization.
A comparative cross-sectional study of coil and particulate embolization used in routine management of acute arterial bleeding.
An analytical cross-sectional study of vessel caliber, tortuosity, and lesion location associated with microcatheter navigation difficulty during embolization.
An observational cross-sectional study of pseudoaneurysms treated by endovascular embolization in an interventional radiology unit.
A comparative cross-sectional study of angiographic and procedural characteristics of visceral and peripheral arterial pseudoaneurysms.
An analytical cross-sectional study of pseudoaneurysm size, neck morphology, and feeding artery anatomy associated with embolic agent selection.
An observational cross-sectional study of renal arterial embolization for traumatic, iatrogenic, and neoplastic indications.
A comparative cross-sectional study of angiographic features in traumatic and iatrogenic renal arterial haemorrhage.
An analytical cross-sectional study of renal angiographic lesion type associated with superselective embolization feasibility.
An observational cross-sectional study of uterine artery embolization performed for acute obstetric and gynecological haemorrhage.
A comparative cross-sectional study of angiographic findings in postpartum haemorrhage and gynecological bleeding undergoing uterine artery embolization.
An analytical cross-sectional study of angiographic arterial abnormalities associated with embolization complexity in obstetric haemorrhage.
An observational cross-sectional study of embolization procedures for preoperative devascularization of hypervascular tumours.
A comparative cross-sectional study of angiographic vascularity in primary and metastatic hypervascular tumours undergoing preoperative embolization.
An analytical cross-sectional study of tumour vascularity and feeding artery pattern associated with degree of angiographic devascularization.
An observational cross-sectional study of immediate complications following diagnostic angiography and transcatheter arterial embolization.
An analytical cross-sectional study of patient, vascular, and procedural factors associated with access-site and non-access-site complications during angiography and embolization.

Peripheral vascular interventions

An observational cross-sectional study of angiographic patterns of lower-limb peripheral arterial disease in patients undergoing endovascular evaluation.
A comparative cross-sectional study of femoropopliteal and infrapopliteal arterial disease patterns in patients undergoing peripheral angiography.
An analytical cross-sectional study of diabetes mellitus and smoking status associated with anatomical distribution of lower-limb arterial stenosis.
A comparative cross-sectional study of peripheral arterial disease patterns in patients with and without diabetes mellitus undergoing angiography.
An observational cross-sectional study of technical characteristics of percutaneous transluminal angioplasty for lower-limb arterial stenosis.
An analytical cross-sectional study of lesion length, calcification, and chronic total occlusion associated with technical difficulty of peripheral angioplasty.
A comparative cross-sectional study of angioplasty characteristics in short-segment and long-segment femoropopliteal lesions.
An observational cross-sectional study of endovascular treatment characteristics of infrapopliteal arterial disease in patients with critical limb ischaemia.
An analytical cross-sectional study of arterial calcification and vessel diameter associated with guidewire crossing difficulty in below-knee interventions.
A comparative cross-sectional study of angiographic lesion characteristics in patients presenting with claudication and critical limb ischaemia.
An observational cross-sectional study of iliac artery angioplasty and stenting performed in a tertiary care interventional radiology unit.
An analytical cross-sectional study of lesion morphology associated with stent requirement during iliac artery endovascular intervention.
A comparative cross-sectional study of access and procedural characteristics of unilateral and bilateral iliac arterial interventions.
An observational cross-sectional study of subclavian and upper-limb arterial interventions performed for occlusive vascular disease.
An analytical cross-sectional study of lesion location and calcification associated with technical complexity of upper-limb arterial angioplasty.
A comparative cross-sectional study of radial and femoral access for selected peripheral vascular interventions performed in routine practice.
An observational cross-sectional study of endovascular management of peripheral arterial pseudoaneurysms.
A comparative cross-sectional study of thrombin injection and endovascular embolization characteristics in pseudoaneurysm management.
An analytical cross-sectional study of pseudoaneurysm neck width and sac size associated with suitability for ultrasound-guided thrombin injection.
An observational cross-sectional study of image-guided interventions for peripheral venous stenosis and occlusion.
A comparative cross-sectional study of central and peripheral venous stenoses encountered during endovascular interventions.
An analytical cross-sectional study of previous catheterisation and dialysis history associated with central venous stenosis on venography.
An observational cross-sectional study of angioplasty of arteriovenous dialysis access stenosis in patients with dysfunctional haemodialysis fistulae.
A comparative cross-sectional study of angiographic characteristics of juxta-anastomotic and outflow venous stenosis in dysfunctional dialysis fistulae.
An analytical cross-sectional study of stenosis severity, lesion length, and calcification associated with balloon angioplasty technical difficulty in dialysis access.
An observational cross-sectional study of endovascular treatment of acute peripheral arterial occlusion using catheter-based techniques.
A comparative cross-sectional study of angiographic characteristics of embolic and thrombotic peripheral arterial occlusion.
An analytical cross-sectional study of thrombus burden and occlusion length associated with procedural complexity in acute limb ischaemia interventions.
An observational cross-sectional study of immediate complications of peripheral arterial and venous endovascular interventions.
An analytical cross-sectional study of patient, lesion, and access-related factors associated with technical success of peripheral vascular interventions.

Hepatobiliary interventions

An observational cross-sectional study of indications, technical success, and immediate complications of percutaneous transhepatic biliary drainage.
An analytical cross-sectional study of biliary duct dilatation, obstruction level, and ascites associated with technical difficulty of percutaneous transhepatic biliary drainage.
A comparative cross-sectional study of technical characteristics of percutaneous transhepatic biliary drainage in hilar and distal biliary obstruction.
An observational cross-sectional study of percutaneous biliary drainage in patients with malignant obstructive jaundice at a tertiary care hospital.
A comparative cross-sectional study of biliary drainage characteristics in benign and malignant biliary obstruction.
An analytical cross-sectional study of degree of intrahepatic biliary dilatation associated with puncture success during percutaneous transhepatic biliary intervention.
An observational cross-sectional study of imaging patterns and procedural characteristics of hilar malignant biliary obstruction undergoing percutaneous drainage.
A comparative cross-sectional study of unilateral and bilateral percutaneous biliary drainage in patients with hilar obstruction treated according to clinical indication.
An analytical cross-sectional study of hilar obstruction anatomy associated with number of drainage catheters required during percutaneous biliary intervention.
An observational cross-sectional study of immediate complications following percutaneous transhepatic biliary drainage in obstructive jaundice.
An analytical cross-sectional study of coagulation profile, ascites, and biliary anatomy associated with haemorrhagic complications during percutaneous biliary procedures.
A comparative cross-sectional study of complication patterns in right-sided and left-sided percutaneous transhepatic biliary access.
An observational cross-sectional study of percutaneous biliary stent placement in malignant biliary obstruction.
A comparative cross-sectional study of procedural characteristics of plastic and self-expanding metallic biliary stents used in percutaneous intervention.
An analytical cross-sectional study of obstruction length and anatomical level associated with stent selection during percutaneous biliary intervention.
An observational cross-sectional study of percutaneous cholecystostomy in high-risk patients with acute cholecystitis.
An analytical cross-sectional study of gallbladder distension, wall thickness, and pericholecystic changes associated with technical characteristics of percutaneous cholecystostomy.
A comparative cross-sectional study of transhepatic and transperitoneal access characteristics for percutaneous cholecystostomy.
An observational cross-sectional study of image-guided drainage of bilomas following hepatobiliary surgery and trauma.
A comparative cross-sectional study of imaging characteristics of postoperative and post-traumatic bilomas undergoing percutaneous drainage.
An analytical cross-sectional study of biloma location and volume associated with technical complexity of percutaneous drainage.
An observational cross-sectional study of percutaneous interventions for post-liver-transplant biliary complications encountered in an interventional radiology unit.
A comparative cross-sectional study of imaging and procedural characteristics of biliary leaks and biliary strictures requiring percutaneous intervention.
An analytical cross-sectional study of biliary anatomy associated with technical difficulty of crossing benign biliary strictures.
An observational cross-sectional study of percutaneous management of benign biliary strictures in postoperative patients.
A comparative cross-sectional study of balloon dilatation characteristics in anastomotic and non-anastomotic benign biliary strictures.
An observational cross-sectional study of percutaneous transhepatic cholangiographic findings in patients with obstructive jaundice.
A diagnostic accuracy cross-sectional study of cross-sectional imaging for localisation of biliary obstruction using percutaneous transhepatic cholangiography as the reference standard.
A comparative cross-sectional study of magnetic resonance cholangiopancreatographic and percutaneous cholangiographic assessment of biliary obstruction level.
An analytical cross-sectional study of clinical, imaging, and procedural factors associated with technical success of percutaneous hepatobiliary interventions.

Genitourinary interventions

An observational cross-sectional study of indications, technical success, and immediate complications of percutaneous nephrostomy in a tertiary care hospital.
An analytical cross-sectional study of hydronephrosis grade, renal cortical thickness, and calyceal anatomy associated with technical difficulty of percutaneous nephrostomy.
A comparative cross-sectional study of percutaneous nephrostomy characteristics in benign and malignant urinary tract obstruction.
An observational cross-sectional study of percutaneous nephrostomy in patients with obstructive pyonephrosis.
A comparative cross-sectional study of procedural characteristics of percutaneous nephrostomy in infected and non-infected hydronephrosis.
An analytical cross-sectional study of pelvicalyceal dilatation and access calyx selection associated with first-puncture success during percutaneous nephrostomy.
An observational cross-sectional study of immediate complications following image-guided percutaneous nephrostomy.
An analytical cross-sectional study of coagulation parameters, renal anatomy, and access route associated with bleeding following percutaneous nephrostomy.
A comparative cross-sectional study of upper, middle, and lower calyceal access for percutaneous nephrostomy with respect to technical characteristics.
An observational cross-sectional study of percutaneous nephroureteral stent placement for urinary tract obstruction.
A comparative cross-sectional study of technical characteristics of antegrade ureteric stenting in benign and malignant ureteric obstruction.
An analytical cross-sectional study of ureteric stricture length and site associated with difficulty of antegrade stent placement.
An observational cross-sectional study of antegrade pyelographic findings in patients undergoing intervention for obstructive uropathy.
A diagnostic accuracy cross-sectional study of ultrasonography for grading hydronephrosis using antegrade pyelographic findings as the procedural reference.
A comparative cross-sectional study of computed tomography and antegrade pyelography in localisation of ureteric obstruction.
An observational cross-sectional study of percutaneous drainage of renal and perinephric abscesses.
An analytical cross-sectional study of renal abscess size, location, and internal complexity associated with choice of aspiration or catheter drainage.
A comparative cross-sectional study of procedural characteristics of renal and perinephric abscess drainage.
An observational cross-sectional study of image-guided percutaneous drainage of urinomas following surgery, trauma, or urinary obstruction.
A comparative cross-sectional study of imaging and procedural characteristics of postoperative and post-traumatic urinomas.
An analytical cross-sectional study of urinoma volume and anatomical location associated with drainage catheter requirement.
An observational cross-sectional study of percutaneous renal cyst aspiration and sclerotherapy performed in symptomatic simple renal cysts.
A comparative cross-sectional study of imaging characteristics of renal cysts selected for aspiration alone and aspiration with sclerotherapy.
An analytical cross-sectional study of renal cyst size and location associated with technical difficulty of image-guided cyst intervention.
An observational cross-sectional study of image-guided suprapubic cystostomy in patients with difficult urethral catheterisation.
A comparative cross-sectional study of suprapubic catheter placement characteristics in patients with benign prostatic obstruction and urethral stricture disease.
An observational cross-sectional study of image-guided interventions for urinary diversion in pelvic malignancies.
An analytical cross-sectional study of unilateral versus bilateral urinary tract obstruction and procedural complexity of percutaneous urinary diversion.
A comparative cross-sectional study of genitourinary intervention characteristics in patients with stone disease and malignant obstruction.
An analytical cross-sectional study of patient, anatomical, and imaging factors associated with technical success of percutaneous genitourinary interventions.

Tumour ablation procedures

An observational cross-sectional study of indications, tumour characteristics, and technical parameters of percutaneous radiofrequency ablation of liver tumours.
A comparative cross-sectional study of procedural characteristics of radiofrequency ablation in primary and metastatic liver tumours.
An analytical cross-sectional study of tumour size, location, and proximity to major vessels associated with technical complexity of liver radiofrequency ablation.
An observational cross-sectional study of imaging findings immediately after percutaneous radiofrequency ablation of hepatocellular carcinoma.
A diagnostic accuracy cross-sectional study of immediate contrast-enhanced imaging for detection of residual viable tumour following liver ablation using the final procedural assessment as reference.
A comparative cross-sectional study of ablation-zone characteristics in small and intermediate-sized hepatocellular carcinomas.
An analytical cross-sectional study of tumour proximity to the diaphragm, gallbladder, and bowel associated with requirement for protective techniques during liver ablation.
An observational cross-sectional study of hydrodissection use during percutaneous thermal ablation of liver tumours.
A comparative cross-sectional study of procedural characteristics of liver tumour ablation performed with and without hydrodissection.
An analytical cross-sectional study of tumour location associated with artificial ascites requirement during percutaneous liver ablation.
An observational cross-sectional study of percutaneous microwave ablation of focal liver tumours in an interventional radiology unit.
A comparative cross-sectional study of technical characteristics of microwave ablation and radiofrequency ablation used for small liver tumours in routine practice.
An analytical cross-sectional study of tumour diameter associated with ablation energy, procedure duration, and immediate ablation-zone dimensions.
An observational cross-sectional study of percutaneous thermal ablation of renal tumours and immediate procedural outcomes.
A comparative cross-sectional study of ablation characteristics in exophytic and central renal tumours.
An analytical cross-sectional study of renal tumour size, location, and proximity to the collecting system associated with technical complexity of percutaneous ablation.
An observational cross-sectional study of protective hydrodissection during image-guided renal tumour ablation.
A comparative cross-sectional study of procedural parameters in renal tumour ablation with and without adjacent-organ protective techniques.
An observational cross-sectional study of percutaneous ablation of osteoid osteoma using computed tomography guidance.
A comparative cross-sectional study of procedural characteristics of osteoid osteoma ablation in appendicular and axial skeletal locations.
An analytical cross-sectional study of nidus size, depth, and anatomical location associated with technical difficulty of percutaneous osteoid osteoma ablation.
An observational cross-sectional study of percutaneous ablation of painful skeletal metastases performed in an interventional radiology unit.
A comparative cross-sectional study of technical characteristics of thermal ablation in lytic and mixed skeletal metastatic lesions.
An analytical cross-sectional study of lesion proximity to neural structures associated with requirement for protective measures during bone tumour ablation.
An observational cross-sectional study of immediate imaging appearances following image-guided thermal tumour ablation.
A comparative cross-sectional study of immediate ablation-zone morphology on computed tomography and ultrasonography following hepatic tumour ablation.
An analytical cross-sectional study of imaging and tumour-related determinants of incomplete ablation identified during the index procedure.
An observational cross-sectional study of immediate complications encountered during percutaneous thermal ablation procedures.
A comparative cross-sectional study of complication patterns of hepatic, renal, and musculoskeletal tumour ablation procedures.
An analytical cross-sectional study of tumour size, anatomical location, access route, and ablation modality associated with technical success of percutaneous tumour ablation.

Neurointerventional procedures

An observational cross-sectional study of cerebral angiographic findings in patients undergoing digital subtraction angiography for suspected intracranial aneurysm.
A comparative cross-sectional study of angiographic characteristics of ruptured and unruptured intracranial aneurysms undergoing neurointerventional evaluation.
An analytical cross-sectional study of aneurysm size, neck width, and location associated with endovascular treatment strategy.
An observational cross-sectional study of technical characteristics of endovascular coil embolization of intracranial aneurysms.
A comparative cross-sectional study of procedural characteristics of simple coiling and adjunct-assisted coiling for intracranial aneurysms.
An analytical cross-sectional study of aneurysm neck morphology associated with requirement for adjunctive endovascular techniques.
An observational cross-sectional study of cerebral angiographic patterns in patients with intracranial arteriovenous malformations.
A comparative cross-sectional study of angiographic characteristics of ruptured and unruptured cerebral arteriovenous malformations.
An analytical cross-sectional study of nidus size, venous drainage, and feeding artery pattern associated with embolization complexity in cerebral arteriovenous malformations.
An observational cross-sectional study of endovascular embolization techniques used for cerebral arteriovenous malformations in a tertiary care neurointerventional unit.
A comparative cross-sectional study of angiographic characteristics of intracranial and extracranial arteriovenous fistulas undergoing endovascular treatment.
An analytical cross-sectional study of fistulous point anatomy and venous drainage pattern associated with selection of arterial or venous embolization route.
An observational cross-sectional study of angiographic findings in patients undergoing mechanical thrombectomy for acute ischaemic stroke.
A comparative cross-sectional study of angiographic clot location and collateral circulation in anterior and posterior circulation acute ischaemic stroke.
An analytical cross-sectional study of clot location, vascular tortuosity, and access anatomy associated with technical difficulty during mechanical thrombectomy.
A comparative cross-sectional study of procedural characteristics of aspiration and stent-retriever techniques used during mechanical thrombectomy.
An observational cross-sectional study of access-related and intracranial anatomical challenges encountered during emergency mechanical thrombectomy.
An analytical cross-sectional study of aortic arch type and cervical arterial tortuosity associated with difficult intracranial catheter access.
An observational cross-sectional study of cerebral angiographic findings in carotid and vertebral artery stenotic disease.
A comparative cross-sectional study of angiographic characteristics of symptomatic and incidentally detected extracranial carotid artery stenosis.
An analytical cross-sectional study of plaque morphology, stenosis severity, and vascular tortuosity associated with technical complexity of carotid artery stenting.
An observational cross-sectional study of carotid artery stenting procedures performed in a tertiary care neurointerventional centre.
A comparative cross-sectional study of angiographic and procedural characteristics of carotid stenosis with and without marked vascular tortuosity.
An observational cross-sectional study of endovascular treatment of dural arteriovenous fistulas and their angiographic patterns.
An analytical cross-sectional study of cortical venous reflux and fistula location associated with endovascular treatment approach in dural arteriovenous fistulas.
A comparative cross-sectional study of cranial and spinal vascular malformations undergoing diagnostic angiography.
An observational cross-sectional study of spinal angiographic findings in patients with suspected spinal vascular malformations.
An analytical cross-sectional study of vascular anatomy and lesion location associated with fluoroscopy time and technical complexity of neurointerventional procedures.
An observational cross-sectional study of immediate complications of diagnostic and therapeutic neuroangiographic procedures.
An analytical cross-sectional study of patient, lesion, access, and procedural factors associated with technical success of neurointerventional procedures.

Interventional radiology complications

An observational cross-sectional study of spectrum and frequency of immediate complications following interventional radiology procedures in a tertiary care teaching hospital.
A comparative cross-sectional study of immediate complication patterns following vascular and non-vascular interventional radiology procedures.
An analytical cross-sectional study of patient comorbidities and procedural complexity associated with immediate complications of interventional radiology procedures.
An observational cross-sectional study of access-site hematoma following arterial interventional procedures and associated clinical factors.
An analytical cross-sectional study of sheath size, puncture site, anticoagulation status, and arterial calcification associated with access-site complications.
A comparative cross-sectional study of access-site complications following femoral and radial arterial access used in interventional radiology practice.
An observational cross-sectional study of bleeding complications following percutaneous image-guided biopsy and drainage procedures.
An analytical cross-sectional study of coagulation parameters and organ punctured associated with post-procedural bleeding after percutaneous interventions.
A comparative cross-sectional study of haemorrhagic complications following solid-organ biopsy and deep soft-tissue biopsy.
An observational cross-sectional study of pneumothorax following computed tomography-guided transthoracic lung interventions.
An analytical cross-sectional study of lesion depth, needle trajectory, emphysema, and number of pleural passes associated with pneumothorax after lung biopsy.
A comparative cross-sectional study of immediate complications following biopsy of subpleural and deep pulmonary lesions.
An observational cross-sectional study of catheter-related complications encountered during percutaneous drainage procedures.
An analytical cross-sectional study of catheter caliber, collection characteristics, and access route associated with catheter malposition or blockage during percutaneous drainage.
A comparative cross-sectional study of immediate complications of percutaneous biliary and urinary drainage procedures.
An observational cross-sectional study of immediate complications following transcatheter arterial embolization.
An analytical cross-sectional study of embolized vascular territory, embolic agent, and procedural duration associated with immediate adverse events during embolization.
A comparative cross-sectional study of complication profiles of elective and emergency embolization procedures.
An observational cross-sectional study of contrast-related immediate adverse reactions occurring during interventional radiology procedures.
An analytical cross-sectional study of patient-related factors associated with acute contrast reactions during angiographic and image-guided interventions.
A comparative cross-sectional study of immediate adverse events in diagnostic angiography and therapeutic endovascular procedures.
An observational cross-sectional study of arterial dissection, thrombosis, vasospasm, and perforation encountered during endovascular interventions.
An analytical cross-sectional study of vascular calcification, tortuosity, and lesion complexity associated with intraprocedural vascular complications.
A comparative cross-sectional study of immediate complications in peripheral vascular and neurointerventional procedures.
An observational cross-sectional study of procedure-related infection risk factors among patients undergoing percutaneous drainage and catheter-based interventions.
An analytical cross-sectional study of procedure duration, number of access attempts, and catheter manipulation associated with immediate procedural complications.
A comparative cross-sectional study of complication rates and patterns between ultrasound-guided and computed tomography-guided percutaneous interventions.
An observational cross-sectional study of unplanned termination or modification of interventional radiology procedures because of intraprocedural complications.
An analytical cross-sectional study of patient age, comorbidity burden, procedure category, and emergency status associated with immediate interventional radiology complications.
A comparative cross-sectional study of patient, procedural, and technical characteristics in interventional radiology procedures with and without immediate complications at an Indian tertiary care teaching hospital.

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📌 Updated for 2026–2027 MD Radiodiagnosis Interventional Radiology admissions

The research framework was reviewed for feasibility across common diagnostic and therapeutic image-guided procedures, with particular attention to denominators, procedural endpoints, follow-up and complication reporting.

Most projects can be completed with routine ultrasonography, computed tomography, fluoroscopy or digital subtraction angiography, PACS images, procedure notes and standard clinical follow-up.
Robotic navigation, proprietary artificial intelligence software, novel embolic agents and other high-cost research-only technology are not required for a strong resident thesis.
Publication potential is strongest when technical success, clinical success, radiation or contrast exposure, complications, reintervention and imaging follow-up are defined prospectively and analysed with the correct patient-level or procedure-level denominator.

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Introduction / Synopsis
Research Question
Aim of the Study
Primary Objective
Secondary Objectives
Materials and Methods
Inclusion Criteria
Exclusion Criteria
Sample Size Calculation
Methodology
Statistical Analysis
Ethical Considerations
Review of Literature
References
Gantt Chart / Study Timeline
Patient Information Sheet
Consent Form
Data Collection Form

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Alongside interventional radiology protocols and synopses, support is also available for departmental presentations, journal club presentations, ethics committee presentations, and posters and oral presentations for medical conferences — for postgraduate residents, board trainees and research scholars across India and the GCC. Prepared by a practising doctor with long experience in medical publishing and thesis supervision.

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Interventional radiology research outside India

The topics above work as research questions anywhere — what changes is the document the institution expects, and who approves it before data collection begins. The Gulf equivalent of an Indian synopsis is the interventional radiology research proposal submitted to an institutional review board, and it ordinarily carries three sections an Indian synopsis does not: a Gantt chart, a budget and resources section, and a Declaration of Helsinki statement.

Board and residency programmes — country by country

Saudi Arabia — SCFHS and the Saudi Board. Residency and fellowship training under the Saudi Commission for Health Specialties includes a research project with a set timeline, and the interventional radiology research proposal is the document prepared at the outset and cleared by the institutional review board before recruitment starts.

United Arab Emirates — DHA, DOH Abu Dhabi and MOHAP. Residents training in Dubai, Abu Dhabi and the northern emirates prepare an interventional radiology research protocol for their programme and submit it for institutional review board approval before any data are collected.

Qatar — DHP (formerly QCHP) and Hamad Medical Corporation. A interventional radiology IRB proposal is reviewed before recruitment, with the ethics section written to the institution's own template rather than a generic one.

Bahrain — NHRA. Trainees turning interventional radiology research topics into a project need the proposal cleared by their institutional research and ethics committee before fieldwork begins.

Oman — OMSB. Residency programmes under the Oman Medical Specialty Board include a research component, and the interventional radiology research proposal is the document assessed at the start of it.

Kuwait — KIMS. A interventional radiology study protocol goes to the institutional committee for approval before the project begins.

Arab Board programmes across the region. The Arab Board carries its own research requirement irrespective of the host country, and the interventional radiology proposal follows the same structure throughout.

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Postgraduate degrees — Malaysia, the Gulf and beyond

Malaysia — MMed, the National Medical Research Register and MREC. A interventional radiology dissertation proposal for a Master of Medicine programme carried out in a Ministry of Health facility must be registered on the NMRR and approved by the Medical Research and Ethics Committee before the study begins, and the guidance asks for submission four to six months ahead of data collection. Every investigator on the study team registers on the NMRR as well, so the methodology, ethics and team sections are written in far more detail than an Indian synopsis requires.

PhD and Master's candidates elsewhere. University programmes generally require a full interventional radiology research proposal of roughly 6,000 to 10,000 words, with an extended literature review, a theoretical framework and a detailed methodology chapter.

PhD and MMed proposals are written individually by a medical doctor and revised until the supervisor accepts them. They are not produced by the automated protocol generator.

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🔥 Trending research areas in Interventional Radiology for 2026–27

Current resident-level projects are increasingly moving beyond simple procedure counts towards reproducible technical metrics and clinically meaningful outcomes.

Transradial and alternative arterial access: access-site complications, crossover, fluoroscopy time and early mobilisation provide measurable outcomes that can be studied in routine endovascular practice.
Image fusion and cone-beam computed tomography guidance: where available, these techniques allow research on targeting accuracy, catheter position, treatment coverage and avoidance of non-target intervention.
Quantitative assessment after tumour ablation: ablation margins, residual enhancement and early imaging response are increasingly useful endpoints because immediate technical completion does not necessarily predict local tumour control.
Radiation and contrast stewardship: dose-area product, fluoroscopy time, contrast volume and procedure complexity are practical quality-improvement variables, particularly in prolonged vascular and neurointerventional procedures.

Protocol and synopsis guidance

What an Interventional Radiology protocol must contain

An interventional radiology protocol must define the clinical indication, target lesion or vascular territory, imaging guidance, access route, device or embolic material where relevant, and whether the unit of analysis is the patient, lesion, vessel or procedure. This is essential because one patient may undergo several punctures, embolised vessels, drains, ablation zones or repeat interventions, and these observations cannot automatically be treated as independent participants.

Technical and clinical endpoints must be separated. Technical success should describe whether the intended procedural task was achieved, such as catheter placement, target-vessel occlusion, lesion access, stent deployment or complete planned ablation. Clinical success should describe the patient-level consequence, such as control of bleeding, resolution of sepsis or obstruction, symptom improvement, maintained patency or absence of residual viable tumour. Each endpoint needs a prespecified assessment time.

Complications need a defined surveillance window and grading system. The protocol should state whether events are intraprocedural, immediate, early or delayed, how severity is classified, how radiation and contrast exposure are recorded, and whether repeat intervention, readmission or escalation of care counts as an outcome. Retrospective studies should specify which follow-up sources are sufficiently complete to support each endpoint.

Interventional Radiology synopsis versus Interventional Radiology protocol

An interventional radiology synopsis can state the research question, broad design, population, procedure and principal outcome concisely. The full protocol must convert those broad statements into reproducible operational definitions. For example, a study of percutaneous drainage cannot simply record “success”; it must state whether success means correct catheter placement, adequate drainage, clinical resolution, avoidance of surgery, catheter removal without recurrence, or a defined combination of these outcomes.

The protocol should also state how the index procedure is distinguished from repeat procedures, how multiple lesions or vessels in one patient are handled, what constitutes a failed or abandoned procedure, how crossover to another access route or technique is recorded, and which follow-up interval applies. These details prevent the denominator from changing silently between the methods, results and tables.

Sample size and statistical analysis

Sample size should be based on the primary endpoint actually being estimated or compared. A study estimating technical success usually needs an expected proportion and desired precision; a comparison of two access routes or procedural techniques needs an expected difference between groups; a predictor study needs enough outcome events for the planned multivariable model. Rare major complications are usually unsuitable as the sole primary endpoint of a small single-centre resident thesis.

The denominator must match the research question. If one patient contributes several lesions, vessels, drains or procedures, simply entering each as an independent row can make confidence intervals falsely narrow. The protocol should either select one predefined index observation per patient or use an analysis that accounts for clustering or repeated measures. Time-dependent outcomes such as catheter patency, reintervention or local tumour progression may require survival analysis rather than a single cross-sectional comparison.

Technical success, clinical success and complications should normally be analysed separately. Continuous procedural variables such as fluoroscopy time, contrast volume, lesion size or procedure duration should be checked for distribution before selecting parametric or non-parametric tests, and diagnostic studies must state how patients without a positive index test receive an adequate reference standard or follow-up.

Frequently Asked Questions – Interventional Radiology Thesis Topics (2026–27)

1. How do I choose a feasible Interventional Radiology thesis topic for 2026 admission?

Start with procedures performed often enough in the department to provide a realistic denominator within the thesis period. Check the annual volume, completeness of procedure notes, availability of pre- and post-procedure imaging, and whether the intended clinical outcome can actually be retrieved. A narrower study of a common procedure with a clearly defined endpoint is usually stronger than a broad study combining unrelated interventions.

2. Which study designs are accepted for an Interventional Radiology thesis?

Commonly workable designs include observational cross-sectional studies, analytical or comparative studies, retrospective or prospective cohorts, diagnostic accuracy studies and procedure-outcome studies. The design should follow the question rather than the procedure. A study of current angiographic anatomy may be cross-sectional, whereas patency, reintervention, recurrence or delayed complications require follow-up and are better treated as cohort outcomes.

3. What should I settle with my guide before finalising an Interventional Radiology topic?

Settle the exact procedure, clinical indication, primary endpoint, unit of analysis, expected case volume, follow-up window and source of the reference standard before writing the objectives. Also confirm which operators will be included, whether technique or device choice varies by operator, how failed or abandoned procedures will be classified, and whether the department can retrieve radiation dose, contrast volume and delayed outcome data reliably.

4. Can I do a retrospective Interventional Radiology thesis from PACS and procedure records?

Yes, if the required exposure and outcome variables are routinely documented and the missing-data problem is acceptable. Retrospective procedure studies are often strong for technical success, anatomical predictors, immediate complications, radiation metrics and diagnostic yield. They become weaker when the primary outcome depends on symptom resolution, catheter removal, long-term patency, recurrent bleeding or tumour control unless those follow-up data are consistently captured in the hospital record.

5. What is the difference between an Interventional Radiology synopsis and protocol?

The synopsis is the concise institutional submission describing the question, objectives and proposed methods. The protocol is the operational document that specifies exactly who is included, which procedure is studied, what constitutes technical success and clinical success, how repeat interventions are handled, when complications are counted, what follow-up is required, how missing outcomes are treated and which statistical analysis corresponds to each objective.

6. What ethics issues are important in an Interventional Radiology thesis?

Ethics approval should make clear whether the research changes care or merely observes standard clinical procedures. Any additional puncture, angiographic run, computed tomography acquisition, fluoroscopic exposure, contrast administration, blood sampling or research-only follow-up must be justified separately rather than hidden inside routine procedural consent. For minors, guardian consent and age-appropriate child assent from about seven years should be addressed where applicable. Retrospective PACS and procedure-record studies may qualify for a consent waiver, but anonymisation must remove identifiers from exported data, DICOM headers and any reconstructed images that could reveal facial identity. Separate consent is required for identifiable photographs or video. The protocol should also name the route for escalating unexpected aneurysms, malignancy, vascular occlusion or other clinically significant incidental findings to the reporting or treating team.

7. What is the biggest methodological error in an Interventional Radiology thesis?

The most damaging error is denominator drift: patients, lesions, vessels and procedures are mixed as though they were interchangeable. A patient may have several embolised arteries, multiple tumour deposits or repeated drainage procedures, so counting each intervention as an independent patient inflates the sample and can produce spuriously precise results. A closely related error is reporting technical completion as clinical success. The protocol should declare one primary unit of analysis and define technical, clinical and safety outcomes separately before data extraction begins.

8. How is an Interventional Radiology MD synopsis different from a PhD or overseas research proposal?

An MD synopsis is usually designed around a focused, feasible question that can be completed during residency with locally available patients, procedures and follow-up. A PhD proposal usually requires a larger programme of work, a clearer knowledge gap and a stronger justification for novelty and methodology. Outside the Indian MD pathway, research requirements vary by programme. The Saudi Board and SCFHS training pathway includes a mandatory board research project, while Arab Board of Health Specializations programmes and DHP, DHA, DOH and MOHAP-linked training programmes may require research, audit or scholarly activity according to the relevant speciality and institution. The current local training and ethics requirements should therefore be checked before transferring an Indian MD protocol unchanged to another pathway.

9. When should I register an Interventional Radiology thesis?

Register after the guide has confirmed the question, feasibility, primary endpoint, study design and expected case volume, but before prospective recruitment or research-specific data collection begins. For retrospective work, the data period, eligibility criteria and analysis plan should be fixed before extracting outcomes so that inclusion decisions are not influenced by the results already visible in the record.

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