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Review Question - QID 1276

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QID 1276 (Type "1276" in App Search)
A 6-year-old boy has right elbow pain after falling onto an outstretched hand eight hours ago. Radiographs are shown in Figure A. Overnight, he develops increasing pain and swelling in his right forearm. What associated condition is most likely developing in this scenario?
  • A

Extensor pollicis longus rupture

0%

7/1842

Posterior interosseous nerve neurapraxia

9%

171/1842

Forearm compartment syndrome

84%

1550/1842

Common extensor origin avulsion

3%

53/1842

Medial collateral ligament rupture

3%

47/1842

  • A

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Figure A demonstrates a non-displaced pediatric radial neck fractures as evidenced by a mildly abnormal angular configuration of the lateral aspect of the proximal radial metaphysis.

Peters et al reports on 3 patients who developed volar compartment syndrome with a radial neck fracture. Important clinical information is that they all fell from standing height on an outstretched hand, and the compartment syndrome developed 12-24 hours after the injury. All had severe pain that was exacerbated by passive flexion and extension of the fingers. All were treated with fasciotomies with good clinical results. The study illustrates the need for a high suspicion of compartment syndrome even in skeletally immature patients with a minimally displaced fracture of the radial neck.

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