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Orthopaedics · Fractures in children
Sample itemA child with a displaced supracondylar fracture of the humerus develops a painful, pale forearm with pain on passive finger extension. If untreated, which complication follows?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Volkmann's ischaemic contracture
Forearm compartment ischaemia from brachial artery injury or swelling causes muscle death and fibrosis, with flexion contracture of the wrist and fingers. Pain on passive extension is the earliest, most reliable sign and calls for urgent decompression.
Option by option
A. Myositis ossificans
Myositis ossificans is calcification in muscle after injury.
B. Volkmann's ischaemic contracture (correct)
Correct.
C. Cubitus valgus
Cubitus valgus follows lateral condyle fractures.
D. Avascular necrosis of the capitellum
AVN of the capitellum is rare.
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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