a) Blood supply of head of femur in an adult. [4] b) Enumerate causes of avascular necrosis (AVN) of femoral head. [3] c) Classify AVN of femoral head. [3]

Osteonecerosis of femoral head – etio pathogenesis staging and treatment modalities.

What is avascular necrosis of femoral head? Write briefly its etiology, diagnosis, clinical staging and management. [2+8]

Etiopathogenesis, diagnosis and management of avascular necrosis of hip.

Indications and techniques of vascularized fibula graft in traumatic, non-traumatic orthopedic disorders (Avascular necrosis femur head) and tumor reconstruction.

Avascular necrosis of head of femur

Kerboul Method.