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General Surgery · Perioperative care: hand infections
Sample itemA man has a swollen flexed finger with fusiform swelling and severe pain on passive extension along the flexor sheath. Which diagnosis and urgent treatment?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Pyogenic flexor tenosynovitis (Kanavel signs); urgent drainage with antibiotics
Kanavel signs are flexed posture, fusiform swelling, tenderness along the flexor sheath and pain on passive extension. Untreated, it spreads into deep spaces and destroys tendon function, so early antibiotics and surgical irrigation are needed. A felon is a pulp space infection and paronychia affects the nail fold.
Option by option
A. Dupuytren contracture; fasciectomy
Dupuytren is painless contracture.
B. Pyogenic flexor tenosynovitis (Kanavel signs); urgent drainage with antibiotics (correct)
Correct. Kanavel signs indicate flexor sheath infection.
C. Felon; observation
Felon needs drainage and is a pulp abscess.
D. Paronychia; warm soaks
Paronychia is limited to the nail fold.
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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