Medical Definition of Avascular necrosis of the femoral head

  • Medical Author:
    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

Reviewed on 9/7/2018

Avascular necrosis of the femoral head: See Legg-Calve-Perthes disease.

Avascular necrosis (AVN) of the femoral head is a pathologic process that results from interruption of blood supply to the bone. It is also called aseptic necrosis or osteonecrosis. Conditions associated with aseptic necrosis include alcoholism, diabetes mellitus, extended periods of steroid usage, sickle cell disease, Gaucher's disease, and trauma.

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Reviewed on 9/7/2018