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Comminuted fracture of the ulnar sesamoid of the metacarpophalangeal joint of the thumb: an uncommon injury

Authors
Journal
Journal of Emergency Medicine
0736-4679
Publisher
Elsevier
Publication Date
Volume
24
Issue
4
Identifiers
DOI: 10.1016/s0736-4679(03)00043-x
Keywords
  • Selected Topics: Emergency Radiology
Disciplines
  • Medicine

Abstract

Abstract Fracture of the ulnar sesamoid of the metacarpophalangeal joint of the thumb is rare. Injury may be caused as a result of hyperextension or, less frequently, direct trauma. A sesamoid may be incompletely ossified, making it difficult to diagnose the fracture on radiographs. Early recognition of this entity leads to appropriate management. The case of a 26-year-old man who sustained a hyperextension injury of the thumb is presented. Radiographs demonstrated a fracture of the ulnar sesamoid of the thumb metacarpophalangeal joint. The literature regarding this uncommon injury is discussed.

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