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What Is Bone Marrow Edema in the Knee?

Bone marrow edema (BME) is when normal fatty bone marrow—the spongy tissue in the center of bones—is replaced with a watery mix of fluid and blood. Also known as a bone marrow lesion, BME occurs when arthritis, an injury, or a fracture damages the normal bone structure.

Source: Verywell Health

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  • American Academy of Orthopaedic Surgeons
  • Mid-America Orthopaedic Association
  • Hospital for Special Surgery
  • American Association of Hip and Knee Surgeons