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What are symptoms of avascular necrosis (AVN)?

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In its early stages, AVN typically causes no symptoms, but it gets painful as it progresses. At first, you may feel pain when you put pressure on the affected bone. Then pain may become more constant. If the bone and surrounding joint collapse, you may have severe pain that affects your ability to use your joint. The time between the first symptoms and collapse of the bone can range from several months to more than a year.

From: What Is Avascular Necrosis? WebMD Medical Reference

SOURCES:

National Osteonecrosis Foundation: "Osteonecrosis."

MedlinePlus.gov: "Osteonecrosis."

Penn State Hershey Medical Center: "Avascular Necrosis."

DukeHealth.org: "Free Vascularized Fibular Graft."

Reviewed by David Zelman on May 8, 2019

SOURCES:

National Osteonecrosis Foundation: "Osteonecrosis."

MedlinePlus.gov: "Osteonecrosis."

Penn State Hershey Medical Center: "Avascular Necrosis."

DukeHealth.org: "Free Vascularized Fibular Graft."

Reviewed by David Zelman on May 8, 2019

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