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Radiology · Emergency imaging
Sample itemWhich CT feature is most concerning for bowel ischaemia in obstruction?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Pneumatosis with portal venous gas
Intramural gas and portal venous gas can indicate advanced bowel ischaemia in obstruction and require urgent surgical correlation.
Option by option
A. Pneumatosis with portal venous gas (correct)
Correct: pneumatosis may reflect compromised bowel viability.
B. Isolated renal cyst
Renal cyst is unrelated.
C. Simple constipation without distension
Constipation alone does not prove ischaemia.
D. Normal appendix
Normal appendix does not assess bowel viability.
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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