Lipoma arborescens

Case contributed by Dr Hani Salam


Right knee joint swelling.


Synovial based soft tissue swelling at the suprapatellar bursa with high signal on T1 and suppression of signals on T2 fat sat sequence. It is associated with moderate knee effusion and marked degenerative changes.


Right knee swelling, involving mainly the suprapatellar region with increased opacity.

Marked osteoarthritis changes with multiple osseous loose bodies.

Case Discussion

Classical MRI appearance of lipoma arborescens involving the knee joint with associated knee effusion and degenerative changes. It is seen as a frond-like synovial mass with high T1 signal and suppression on T2 fat sat sequence, involving mainly the suprapatellar bursa.

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Case information

rID: 12843
Published: 16th Jan 2011
Last edited: 13th Aug 2019
Tag: knee
Inclusion in quiz mode: Included

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