McLain, R Synovial sarcoma of the knee: missed diagnosis despite biopsy and arthroscopic synovectomy. A case report. [electronic resource] - The Journal of bone and joint surgery. American volume Aug 1990 - 1092-4 p. digital Publication Type: Case Reports; Journal Article ISSN: 0021-9355 Subjects--Topical Terms: AdultArthroscopyBiopsy--methodsDiagnostic ErrorsHumansJoint Diseases--diagnosisKnee JointMaleSarcoma, Synovial--diagnosisSynovial Membrane--pathologySynovitis--diagnosisSynovitis, Pigmented Villonodular--diagnosis