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DNB Radiodiagnosis Previous Year Questions

These are the DNB Radiodiagnosis (Radiodiagnosis (Radiology)) theory questions asked by NBEMS in the December 2025 and June 2025 exams, listed paper by paper as they appeared. The Prep DNB app has all 25 DNB sessions from June 2014 to December 2025 plus 6 DipNB papers — 1,162 questions in total — with repeat-question tracking, examiner keywords and MCQs.

Jump to: December 2025 · June 2025 · Important topics · Older papers

DNB Radiodiagnosis December 2025 Question Paper

Paper 1

  1. a) X-ray features of rickets and osteomalacia. [5] b) Ewings sarcoma. [5]
  2. Give the differential diagnosis and imaging features of synovial disorders affecting the knee joint. [10]
  3. a) Juvenile nasopharyngeal angiofibroma. [5] b) Otosclerosis. [5]
  4. Discuss differential diagnosis and imaging features of suprasellar brain tumors. [10]
  5. Write the principle of digital breast tomosynthesis, and its advantages. Discuss in brief various suspicious calcifications seen on mammography. [5+5]
  6. Discuss imaging and differential diagnosis of intramedullary spinal cord tumors. [10]
  7. Discuss the MR imaging of carcinoma base of tongue and importance of retromolar trigone. [10]
  8. Discuss the differential diagnosis of ring enhancing lesions in an adult. [10]
  9. a) Enumerate the common causes of subarachnoid haemorrhage (SAH)'. [4] b) How will you evaluate a suspected case of SAH? [6]
  10. a) MRI features of mesial temporal sclerosis. [5] b) Neuromyelitis optica. [5]

Paper 2

  1. a) Usual interstitial pneumonia (UIP)'. [5] b) Crazy paving pattern on HRCT chest. [5]
  2. Discuss the imaging evaluation of carcinoma lung with the latest TNM classification. [10]
  3. Classify types and evaluation of thoracolumbar spinal trauma. [10]
  4. a) Coronary calcium scoring. [5] b) Tetralogy of Fallot. [5]
  5. a) Bronchopulmonary aspergillosis. [5] b) Thymoma. [5]
  6. Differential diagnosis and imaging evaluation in a patient with acute scrotal pain. [10]
  7. Discuss role of MRI in ischemic and non ischemic cardiomyopathy. [10]
  8. a) Doppler imaging features in a case of varicose veins of the lower limb. [5] b) Role of doppler in a case of transient ischemic attack (TIA). [5]
  9. a) Role of doppler evaluation in a case of extrahepatic portal hypertension. [5] b) Doppler evaluation of the ductus venosus and its significance in IUGR evaluation. [5]
  10. a) Imaging in a case of extraperitoneal bladder injury. [5] b) Respiratory distress of the newborn. [5]

Paper 3

  1. Discuss the diagnostic algorithm of cystic ovarian masses with MRI evaluation in ovarian malignancy. [10]
  2. a) Bosniak classification of renal cysts. [5] b) Renal angiomyolipoma. [5]
  3. a) Klatskin tumour. [5] b) Groove Pancreatitis. [5]
  4. Discuss the multiparametric evaluation of bladder carcinoma with the VIRADS classification. [10]
  5. a) Congenital hypertrophic pyloric stenosis. [5] b) Evaluation of vesico-ureteral reflux. [5]
  6. Discuss the causes and imaging in post partum haemorrhage. What is the role of the interventional radiologist in management? [3+4+3]
  7. a) Gastrointestinal stromal tumour. [5] b) Ileocaecal tuberculosis. [5]
  8. a) Ectopic pregnancy. [5] b) Hydatidiform mole. [5]
  9. a) Choledochal cyst. [5] b) Pheochromocytoma. [5]
  10. a) NAFLD - Non alcoholic fatty liver disease. [5] b) MRI evaluation of Crohn's disease. [5]

Paper 4

  1. a) Bronchial artery embolisation. [5] b) HIDA scan. [5]
  2. a) Advantage of 3 Tesla MRI over 1.5 Tesla and its limitations. [5] b) Advantages and disadvantages of CR and DR imaging. [5]
  3. Discuss the steps to reduce the radiation dose in CT. [10]
  4. a) Role of MRI perfusion in brain tumors. [5] b) Principles of RF ablation. [5]
  5. a) Cartilage imaging in MRI. [5] b) Zero TE MR (ZTE) and its applications. [5]
  6. Discuss the hazards related to MR imaging and the safety considerations in an MRI facility. [10]
  7. a) MRI contrast media. [5] b) Types of contrast in bowel preparation for CT examination. [5]
  8. a) Randomized control trial. [5] b) Radiological anatomy of neck spaces. [5]
  9. a) Photon counting CT. [5] b) Mammography tube. [5]
  10. a) PC-PNDT Act. [5] b) Thermoluminescent dosimeter (TLD)'. [5]

DNB Radiodiagnosis June 2025 Question Paper

Paper 1

  1. a) Discuss the radiological anatomy of the temporomandibular (TM) joint on MRI. [5] b) Describe the imaging features of specific conditions affecting the TM Joint. [5]
  2. a) Discuss the classification of tumours of the central nervous system in adults. [5] b) Describe the imaging findings seen in pituitary adenoma. [5]
  3. a) Describe the imaging findings of multiple myeloma. [6] b) What are the differentiating features on imaging with metastases? [4]
  4. a) Enumerate the various CNS manifestations in HIV patients. [4] b) Describe the characteristic imaging findings in any three of them. [6]
  5. a) Describe the pathogenesis of avascular necrosis of bones. [3] b) Discuss the various imaging findings seen in avascular necrosis of the hip. [7]
  6. a) Enumerate the various soft tissue tumours of the extremities. [4] b) What are the pertinent points to be included in the MRI report of these tumours? [6]
  7. Discuss the differential diagnosis of unilateral proptosis. [4] Discuss the role of imaging in unilateral proptosis. [6]
  8. a) Discuss the skeletal changes on imaging in: Leukemia. [5] b) Haemolytic anaemia. [5]
  9. Describe the technique of MRI and normal appearance of cruciate ligaments of knee. Discuss the imaging findings in anterior cruciate ligament injury. [10]
  10. a) Discuss the pathophysiology of primary hyperparathyroidism on a skeletal survey. [3] Discuss the radiographic findings of primary hyperparathyroidism on a skeletal survey. [5] b) Enumerate its differentiating features with secondary hyperparathyroidism . [2]

Paper 2

  1. a) Describe the various mediastinal compartments or divisions based on multidetector computed tomography (CT). [2] Enumerate various masses seen in these compartments. [3] b) Discuss the imaging features of anterior mediastinal masses. [5]
  2. Discuss the pathophysiology of acute pulmonary thromboembolism. [4] Discuss the imaging findings of acute pulmonary thromboembolism. [6]
  3. a) Discuss the plain X-ray findings in congenital heart diseases. [5] b) Write a short note on imaging in aortic dissection. [5]
  4. a) Describe the imaging findings in pulmonary arteriovenous malformations (AVM)'. [6] b) Discuss the role of interventional radiology in the management of pulmonary AVMs. [4]
  5. a) Write the differential diagnosis of unilateral opaque hemithorax. [4] b) Describe the imaging findings of pleural mesothelioma. [6]
  6. Discuss the differential diagnosis of various cystic lesions of the lung on CT chest. [10]
  7. Discuss the anatomy of the secondary pulmonary lobule. [2] Describe the various radiological patterns and causes of interstitial lung diseases. [8]
  8. Discuss the indications of cardiac MRI. [2] Discuss the various sequences or techniques of cardiac MRI. [2] Discuss the systematic approach to interpretation of cardiac MRI. [6]
  9. a) Discuss the arterial anatomy of the lower limbs with the help of labelled diagrams. [5] b) Discuss the Doppler evaluation findings in peripheral vascular diseases of the lower limbs. [5]
  10. Describe the imaging findings as seen in splenic trauma with the AAST classification of splenic injuries. [10]

Paper 3

  1. a) Discuss the CT findings of acute mesenteric ischemia. [5] b) What are the various endovascular management strategies? [5]
  2. a) Discuss the pathology of lymphoma of the gastrointestinal tract. [3] b) Discuss the role of imaging in lymphoma of the gastrointestinal tract. [7]
  3. a) Describe the anatomy of the hepatic segments with a diagram. [3] b) Discuss the LIRADS lexicon for liver lesions. [7]
  4. a) Define fetal growth restriction. [2] b) Discuss the role of ultrasound and doppler in evaluation and management of fetal growth restriction. [8]
  5. a) Enumerate the common paediatric abdominal malignancies. [4] b) Discuss the characteristic imaging features of any two of them. [6]
  6. a) Discuss the role of imaging in the diagnosis of carcinoma of the cervix. [5] b) Discuss the role of imaging in the staging of carcinoma of the cervix. [5]
  7. a) Sonohysterosalpingography. [5] b) Sonographic evaluation of incompetent os. [5]
  8. a) Discuss the pathophysiology of genitourinary tuberculosis. [3] b) Discuss the imaging features of genitourinary tuberculosis. [7]
  9. a) Discuss the radiological anatomy of the male urethra with a neat labelled diagram. [4] b) How do you evaluate abnormalities of the male urethra? [2] c) What are the imaging findings? [4]
  10. Write a short note on imaging findings in: a) Portal biliopathy. [5] b) Primary sclerosing cholangitis. [5]

Paper 4

  1. a) Discuss the mapping of uterine fibroids on MRI. [4] b) Role of interventional radiology in uterine fibroids. [6]
  2. a) Technique of double contrast barium enema. [5] b) Nuclear medicine in renal infection. [5]
  3. a) What is contrast induced nephropathy (CIN)'? [5] b) Discuss the pathogenesis and methods adopted to prevent CIN. [5]
  4. a) Which are the common MRI radiofrequency (RF) coils? [4] b) Discuss briefly the various MRI artifacts. [6]
  5. a) Discuss MR elastography. [5] b) Discuss its applications in abdominal imaging. [5]
  6. a) Hepatic iron quantification. [5] b) Post mortem CT. [5]
  7. a) Discuss the principle of dual energy CT. [2] b) Discuss various applications of dual energy CT. [8]
  8. a) Classify the various embolic agents that are used in interventional radiology. [3] b) Discuss the various embolic agents that are used in interventional radiology. [7]
  9. Artificial intelligence (AI) in radiology. [10]
  10. a) Discuss the construction of an X-ray tube with a neat labelled diagram and explain how X-rays are produced. [5] b) What are the cardinal principles of radiation protection? [5]

High-Yield DNB Radiodiagnosis Topics

A selection of 21 of the 42 important topics curated in the app from repeated DNB Radiodiagnosis questions.

Neuroimaging — highest yield

  • Stroke imaging: hyperacute CT, MRI (DWI/ADC), hemorrhagic stroke, CVT, SAH (Fisher grade)
  • Brain tumours: WHO CNS classification, glioblastoma, meningioma, pituitary adenoma, posterior fossa tumours in children
  • Epilepsy imaging: mesial temporal sclerosis, epilepsy protocol MRI, long-term epilepsy-associated tumours

Chest imaging

  • Lung cancer: TNM 8th edition staging, solitary pulmonary nodule (Fleischner/Lung-RADS)
  • Pulmonary TB: primary vs post-primary, miliary, complications, endobronchial TB
  • ILD: HRCT patterns (UIP, NSIP, HP, OP), secondary pulmonary lobule anatomy

Cardiovascular and vascular imaging

  • Congenital heart disease: segmental approach, cyanotic vs acyanotic, MDCT/MRI role
  • Coronary CT angiography: protocol, anomalies, calcium scoring
  • Cardiac MRI: viability (LGE), myocarditis, HCM, ARVC

Abdominal and pelvic imaging

  • Liver: Couinaud segments, LI-RADS for HCC, focal liver lesion characterisation, post-TACE assessment
  • Portal hypertension and Budd-Chiari; pancreatic adenocarcinoma, IPMN, cystic neoplasms (Fukuoka)
  • Renal masses: Bosniak 2019 classification; RCC staging; renal trauma (AAST)

Obstetric and paediatric imaging

  • Placenta accreta spectrum: MRI/US findings; placenta previa
  • Fetal MRI: indications, posterior fossa anomalies, congenital diaphragmatic hernia
  • Paediatric abdominal emergencies: intussusception, pyloric stenosis, malrotation

Musculoskeletal imaging

  • Fracture description: AO classification principles, stress vs pathological fracture
  • Bone tumours: osteosarcoma, Ewing, metastases; arthritis (RA, gout, septic)
  • Sports injuries: ACL tear, rotator cuff, labral tears on MRI

Interventional radiology and physics

  • Image-guided biopsy: lung, liver, bone; drainage procedures (abscess, biliary, nephrostomy)
  • TACE for HCC; TIPS for portal hypertension; embolization (fibroid, AVM, trauma)
  • X-ray physics: attenuation, contrast resolution, ALARA principle

Older DNB Radiodiagnosis Question Papers & DipNB Papers

The remaining 29 papers are available in the Prep DNB app, organized paper-wise with repeat-question tracking.

Get all 31 papers in the app

Previous Year Questions for Other DNB Subjects