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Forensic Medicine · Injuries and wounds: handlebar injury
Sample itemA 9-year-old boy falls from his bicycle and the end of the handlebar strikes the upper abdomen. Two days later he has vomiting and epigastric pain, and the amylase is raised. Which structures are typically injured?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Duodenum and pancreas
A narrow blunt object driven into the upper abdomen compresses the duodenum and pancreas against the vertebral column. Such handlebar injuries may be delayed in presentation, with pancreatitis or a duodenal haematoma. This pattern should also raise concern for inflicted injury in young children.
Option by option
A. Duodenum and pancreas (correct)
Correct. The retroperitoneal duodenum and pancreas are crushed against the spine.
B. Liver and gallbladder
Liver injury is more common with right-sided blows or lower rib fractures.
C. Stomach and transverse colon
The stomach and transverse colon are mobile and less often injured by this mechanism.
D. Spleen and left kidney
Splenic and renal injury follow flank impacts and cause left upper quadrant pain and haematuria.
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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