Free Practice Questions for OMSB Diagnostic Radiology (OEDR)

Gastrointestinal (GI)

Esophageal motility and neoplasia, gastric tumors, small bowel obstruction and ischemia, inflammatory bowel disease, colorectal cancer and polyps, focal and diffuse liver disease, cirrhosis and portal hypertension, pancreatitis and pancreatic neoplasms, biliary pathology, and acute abdominal imaging.

Genitourinary (GU)

Renal masses (Bosniak classification, RCC subtypes), obstructive uropathy and stone disease, urothelial neoplasms, bladder trauma, adrenal adenoma versus metastasis, testicular lesions and scrotal emergencies, uterine pathology (fibroids, adenomyosis, malignancy), and ovarian masses.

Musculoskeletal (MSK)

Acute osseous and chondral trauma, joint dislocation patterns, internal derangement of the shoulder and knee, benign and malignant bone and soft tissue tumors, osteomyelitis and septic arthritis, spondyloarthropathies, and crystal-induced arthritis.

Neuroradiology

Acute ischemic stroke imaging, intracranial hemorrhage, intracranial neoplasms (intra-axial and extra-axial), head trauma, demyelinating disease, CNS infections, spinal cord lesions, degenerative spine disease, and skull base and neck spaces.

Pediatric

Neonatal respiratory distress, hypertrophic pyloric stenosis, malrotation and volvulus, intussusception, pediatric renal masses (Wilms vs neuroblastoma), non-accidental trauma, developmental dysplasia of the hip, and neonatal hypoxic-ischemic injury.

Physics

X-ray tube physics and spectrum, fluoroscopy dose reduction, CT acquisition and iterative reconstruction, MRI pulse sequences (T1, T2, FLAIR, DWI), artifacts and safety, ultrasound beam formation and Doppler physics, radiation biology, and ALARA principles.

Thoracic

Solitary pulmonary nodule management (Fleischner Society criteria), lung cancer staging, infectious and opportunistic pneumonias, interstitial lung diseases (UIP vs NSIP patterns), acute pulmonary embolism, pleural diseases, and mediastinal compartment masses.

Breast

Mammographic screening, architectural distortion and microcalcifications, BI-RADS lexicon and assessment categories, breast ultrasound features, indications for breast MRI, and image-guided localization and biopsy.

Interventional

Vascular access techniques, acute GI bleeding management and embolization, transjugular intrahepatic portosystemic shunt (TIPS), deep vein thrombosis and IVC filter placement, image-guided biopsy, percutaneous abscess drainage, and complications management.

Nuclear Medicine

Principles of SPECT and PET/CT imaging, FDG oncology imaging patterns and pitfalls, bone scintigraphy in metastatic disease, thyroid uptake and scintigraphy, V/Q scan interpretation for pulmonary embolism, and radiopharmaceutical safety.

Non-Interpretive Skills

Patient safety protocols, adverse reaction prophylaxis and management for iodinated and gadolinium contrast media, radiation dose optimization and diagnostic reference levels, informed consent, peer review, and communication of critical imaging findings.

Cardiac

Coronary artery calcium scoring, coronary CT angiography interpretation and CAD-RADS, cardiac MRI tissue characterization (late gadolinium enhancement patterns for ischemic vs non-ischemic cardiomyopathy), and pericardial disease.