Trabecular oedema
medical condition

Trabecular edema, also known as bone marrow edema (BME), is a traditional term describing the interstitial fluid accumulation at the trabecular bone marrow. The term was first used in 1988, referring to the changes in the bone marrow due to inflammation. Bone marrow edema was later renamed to bone marrow lesion (BML), as later studies show that the increased fluid content in the trabecular bone was more likely caused by inflammatory responses (e.g. increased vascularization, lymphocyte infiltration) instead of fluid influx (i.e. edema). Hence, this narrows down the condition to the damage at the articular surface of the trabecular bones. Despite so, the terms BME and BML are still used interchangeably in radiology.
This condition normally affects the musculoskeletal system, and commonly manifests in lower extremities, including but not limited to the feet, ankle joints, knee joints, and hip joints. Common signs and symptoms include pain, joint swelling, and limited joint functionality. BME can be further separated into two types, based on their causes: primary BME and secondary BME. Primary BME, also called spontaneous BME or bone marrow edema syndrome (BMES), means bone marrow edema without obvious causes.
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This entry incorporates text from “Trabecular oedema” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.