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Emergency Medical Minute


Oct 3, 2019

Contributor:  Don Stader, MD

Educational Pearls:

  • Seymour fracture is an eponym for a Salter-Harris I/II fracture of the distal phalanx of the finger or toe in children, associated with a nailbed inury
  • These may present and subtle as a subungal hematoma with a fracture on x-ray but carry a significant risk of complications
  • While in adults a hammer-finger deformity indicates an avulsion injury of the extensor tendon, in children it can indicate disruption of the growth plate. This is coupled with disruption of the proximal nail bed. 
  • Because these fractures affect the growth plate, they can lead to arrest of the growth plate or chronic osteomyelitis
  • These injuries require orthopedic consultation for possible debridement and fixation

Summarized by Will Dewispelaere, MS4 | Edited by Erik Verzemnieks, MD