Lipoma arborescens

Case contributed by Maulik S Patel
Diagnosis almost certain

Presentation

Knee pain and swelling. Referred for radiographs. MR proven case of lipoma arborescens.

Patient Data

Age: 50 years
Gender: Female
x-ray

Degenerative changes in knee and fullness of the suprapatellar bursa.

ultrasound

Large knee joint effusion with frond like hyperechoic projections of fat.

Case Discussion

Lobulated echogenic synovial proliferation is noted in the suprapatellar region along with a joint effusion consistent with lipoma arborescens.

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