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.