A rare case of pigmented villonodular synovitis after unicompartmental knee replacement: a case report

Pigmented villonodular synovitis is a benign proliferative disease involving the synovium. Pigmented villonodular synovitis is rare after replacement arthroplasty and has not been recognised and reported as a cause of failure of unicompartmental knee replacement in the literature

Synovite villo-nodulaire pigmentée de la hanche diagnostiquée par arthroscopie

Pigmented villonodular synovitis is a synovial proliferative disorder that rarely involves the hip joint. It is an inflammatory response to an unknown agent. Pigmented villonodular synovitis of the hip usually presents with extensive joint destruction because of the limited joint space. Various methods of treatment modalities including synovectomy, total hip arthroplasty, radiation therapy and arthrodesis were used for treating this disease in hip joint. Diagnosis and treatment with hip arthroscopy is a new and less invasive modality comparing to open procedures