Knee joint lipoma arborescens

Case contributed by Dr mohamed shehata gouda

Presentation

Male patient complaining of longstanding knee pain.

Patient Data

Age: 50
Gender: Male
Modality: MRI

MRI study of the knee shows a moderate effusion outlining a frond-like tissue projecting  inward at the suprapatellar pouch, with high T1 signal that is suppressed on fat saturation sequences. Note the severe osteoarthritic changes with osteophyte formation, osteochondral lesions, ACL tear, and abnormal menscial signal.

Case Discussion

This case shows frond like projections of thickened synovium within the supra-patellar pouch that demonstrate high T1 signal and follow fat signal with fat suppression on PDFS and STIR, consistent with lipoma arborescens.

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Case Information

rID: 51089
Case created: 3rd Feb 2017
Last edited: 4th Feb 2017
Inclusion in quiz mode: Excluded

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