Advanced osteonecrosis (sickle cell disease)

Discussion:

Avascular necrosis is a process that results from interruption of blood supply to the bone. Etiopathogenesis is incompletely understood. Sickle cell anemia is a common cause of that compromise circulation to either femoral or humeral heads. Osteonecrosis of the humeral head (ONHH) (also known as Hass disease).

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