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Radiology · Hepatobiliary imaging: MRCP
Sample itemWhat is the main advantage of MR cholangiopancreatography in suspected choledocholithiasis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Noninvasive visualization of biliary and pancreatic ducts
MRCP uses heavily T2-weighted MRI sequences to depict fluid-filled biliary and pancreatic ducts noninvasively. ERCP is generally reserved when therapeutic intervention is needed.
Option by option
A. Measurement of bone mineral density
DEXA measures bone density.
B. Direct therapeutic stone extraction
ERCP rather than MRCP permits endoscopic stone extraction.
C. Assessment of pulmonary ventilation
Ventilation is assessed with respiratory tests or specialized imaging.
D. Noninvasive visualization of biliary and pancreatic ducts (correct)
Correct. MRCP maps ductal anatomy without endoscopic instrumentation.
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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