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Forensic Medicine · Injuries: delayed rupture of the spleen
Sample itemA 19-year-old footballer is kicked on the left flank and discharged after a normal assessment. Nine days later he collapses in shock with haemoperitoneum. What is the likely mechanism?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Delayed rupture of the spleen when an enlarging subcapsular haematoma gives way
Blunt trauma may produce a subcapsular splenic haematoma that expands and ruptures after a latent interval of hours to days. Medicolegally the later death or collapse is attributed to the original assault, because the chain of causation is unbroken.
Option by option
A. Rupture of the aorta from rapid deceleration
Aortic rupture from deceleration is usually immediate and fatal.
B. Delayed rupture of the spleen when an enlarging subcapsular haematoma gives way (correct)
Correct. A subcapsular haematoma can rupture days after the blow.
C. Perforation of the duodenum from avulsion of the mesentery
Duodenal perforation presents with peritonitis, not haemoperitoneum and shock.
D. Spontaneous rupture of a normal spleen unrelated to the kick
A normal spleen rarely ruptures without trauma, and the history gives a clear cause.
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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