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Radiology · Abdominal imaging
Sample itemA patient has suspected common-bile-duct obstruction and needs noninvasive mapping of the biliary tree; which study is most useful?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Magnetic resonance cholangiopancreatography
Magnetic resonance cholangiopancreatography uses heavily T2-weighted MRI sequences to display static fluid in the biliary and pancreatic ducts without requiring endoscopic contrast injection.
Option by option
A. CT colonography
CT colonography evaluates the colon.
B. Skull radiograph
Skull radiograph is unrelated to biliary symptoms.
C. Barium swallow
Barium swallow evaluates the esophagus and upper gastrointestinal tract.
D. Magnetic resonance cholangiopancreatography (correct)
Correct: MRCP noninvasively depicts bile ducts and pancreatic ducts.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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