HIV/AIDS Glossary

Avascular Necrosis (AVN)

Death of bone tissue (osteonecrosis) due to a lack of blood supply. Avascular necrosis (AVN) most commonly affects the hip. Symptoms include pain in the affected area of the body, limited range of motion, joint stiffness, muscle spasms, and limping. AVN is associated with several medical conditions, including cancer and HIV infection.

Related Term(s): Osteonecrosis

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