Reviewer: Vijay Shankar, M.D. (see Reviewers page)
Revised: 15 June 2013, last major update June 2013
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.
- Also called Hoffa's disease, villous lipomatous proliferation of synovium, lipoma arborescens
- Pseudotumor of synovium with distinct histomorphology, possibly due to inappropriate fat deposition and degenerative articular diseases of joints (J Lab Physicians 2011;3:84)
- Rare; usually knee but may occur in any joint
- Unknown etiology
- Males commonly affected with pain and swelling of joint
- Enlargement of infrapatellar fat pad with pain in anterior compartment of knee; synovium is papillary, yellow and fatty
- Synovial hyperplasia with unremarkable fat extending to synovial lining; occasional chronic inflammatory infiltrate
Few mature lipocytes
End of Joints > Joint tumors > Synovial lipomatosis
This information is intended for physicians and related personnel, who understand that medical information is often imperfect, and must be interpreted in the context of a patient's clinical data using reasonable medical judgment. This website should not be used as a substitute for the advice of a licensed physician.
All information on this website is protected by copyright of PathologyOutlines.com, Inc. Information from third parties may also be protected by copyright. Please contact us at copyrightPathOut@gmail.com
with any questions (click here for other