“…Known risk factors for AVN are hematologic or metabolic imbalances such as alcoholism, corticosteroid use, tobacco use, radiation, organ transplantation, hyperlipidemia, hyperuricemia, 16 lymphoma, hypercoagulable states, connec tive tissue disorders, and anti-phospholipid antibodies. 20 HIV infection has been increasingly associated with AVN, with a risk of developing the condition approximately 100 times that of the general population. 19 Osteonecrosis, in the general and HIV populations, presents most commonly in the hip, but it is also found elsewhere in the body.…”