April 23, 2009

Jones Fracture


Jones Fracture

  • Fracture at proximal 5th metatarsal at metadiaphyseal junction (within 1.5 cm distal to tuberosity of 5th metatarsal)
  • Usually involve 4th-5th intermetatarsal joint
  • Sharp fracture margins without intramedullary sclerosis indicate acute fracture.
  • May present acutely or in a chronic phase
  • Acute Jones fracture has sharp margin without intramedullary sclerosis - usually Rx nonoperatively with NON weight baring cast
  • Persistent delayed union fracture will show fracture line in both cortices, callus, intramedullary sclerosis - usually Rx surgically
Reference:
Nunley JA. Fractures of the base of the fifth metatarsal the Jones fracture. Orthop Clin N Am 2001; 32:171-180.

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