Multifocal localized pigmented villonodular synovitis arising separately from intra- and extra-articular knee joint: case report and literature review

2012 ◽  
Vol 23 (S2) ◽  
pp. 273-277 ◽  
Author(s):  
Hideki Yamashita ◽  
Koji Endo ◽  
Makoto Enokida ◽  
Ryota Teshima
Author(s):  
Rachel C. Talley-Bruns ◽  
Ruby G. Patel ◽  
Jeremy E. Mangion

AbstractTenosynovial giant cell tumors (TSGCT) are benign tumors originating from the synovial joint, bursa, or tendon sheath. Localized pigmented villonodular synovitis (PVNS), a subtype of TSGCT, commonly affects the hands and feet and has also been reported in the literature in the knee joint. There is sparse literature on localized PVNS arising specifically from meniscal tissue. We present a case report of a 17-year- old male with symptoms and MRI findings consistent with a lateral meniscus tear. Intraoperatively, the patient was found to have a mass originating from the torn meniscal tissue, which was confirmed by pathology to be a TSGCT. We performed a literature review of intra-articular localized PVNS within the knee presenting as a meniscal tear.


2021 ◽  
Vol 09 (03) ◽  
pp. 346-349
Author(s):  
Mohsen Samy Barsoum ◽  
May Gamal Ashour ◽  
Emad Mohsen Barsoum ◽  
Nouran Mohamed Roby

Diffuse type tenosynovial giant cell tumor (D-TGCT) is a locally aggressive benign proliferation. Knee joint is the most commonly affected site. We present a case report with a 16 months follow up after recurrent surgery and postoperative radiotherapy.


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