Unusual Presentation of Synovial Sarcoma as Meniscal Cyst: A Case Report.

Jamshidi, Khodamorad; Yahyazadeh, Hooman; Bagherifard, Abolfazl · Arch Bone Jt Surg · 2015

case_report · Level V

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Abstract

Periarticular cyst and cystic soft tissue lesion around the knee are common. Synovial sarcoma is a rare and malignant soft tissue tumor accounting for approximately 5% of soft tissue sarcoma. A case is presented where a lesion adjacent to the joint line of the knee was diagnosed clinically and on imaging as a meniscal cyst. MRI signal was homogenous and no concomitant meniscal tears were seen. The tissue diagnosis was monophasic synovial sarcoma.