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Avascular Necrosis

Common Site Of Avascular Necrosis


Head of femur

- Fracture neck femur

- Posterior dislocation hip

Proximal pole of scaphoid

- Fracture through waist of scaphoid

Body of talus

- Fracture neck of talus

Proximal pole of lunate

- Dislocation

  1. In fracture neck femur the more proximal the lesion, more are the chances of avascular necrosis. So subcapital fracture neck femur has maximum chances of AVN (worst prognosis).
  2. Other sites of AVN are distal medial femoral condyle, humeral head, capitellum, and metatarsal heads.

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