Intravenous Urography — Flashcards

Flashcard 1: Opacification of Cowper's gland in MCU is suggestive of stricture at _____

Answer: Bulbar urethra

Flashcard 2: MRCP does _____ require external contrast administration

Answer: not

Flashcard 3: The most sensitive imaging modality in renal tuberculosis is CT _____

Answer: urography/pyelography

Flashcard 4: What is the contrast medium used for the diagnosis of tracheoesophageal fistula?

Answer: Non-ionic water-soluble contrast (e.g., Iohexol) or Dionosil

Extra: - **Non-ionic water-soluble contrast** (e.g., Iohexol, Iopamidol) is the modern contrast of choice for diagnosing tracheoesophageal fistula (TEF) because it is safe if aspirated. - **Dionosil** (propyliodone) was historically used for bronchography and TEF but is now largely obsolete. - **Barium** is avoided because it can cause a severe granulomatous reaction/fibrosis in the lungs. - **High-osmolar ionic water-soluble contrast** (e.g., Gastrografin) is avoided because it can cause life-threatening pulmonary edema if aspirated.

Flashcard 5: What is the gold standard for diagnosis of renal artery stenosis?_____

Answer: Renal intraarterial angiography

Flashcard 6: _____ is the best investigation to evaluate calcification.

Answer: CT scan

Flashcard 7: What is the contrast medium used for the diagnosis of esophageal perforation?_____

Answer: Iohexol

Flashcard 8: _____ helps in increasing the diagnostic capability of MRCP.

Answer: Secretin

Flashcard 9: In _____ view the patient lies in such a way that the sagittal plane of the skull is parallel to the film and the X-ray beam is projected 15 cephalocaudal

Answer: Laws

Flashcard 10: _____ provides best visualisation of distal biliary tract

Answer: ERCP