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Synovial Sarcoma


Heterogenous mass in the soft tissues, which is predominantly hyperintense on fluid sensitive images and hypointense on T1 weighted image. The mass is positioned in close proximity to the joint.


Soft tissue mass that occurs near the joints. "Synovial" is a misnomer. Early descriptions implied similarity to the synovium. Two classic cell types are epithelial and fibrous spindle cells. This neoplasm is more common in males and usually occurs in young patients. Differential considerations include malignant peripheral nerve sheath tumor, fibrosarcoma, leiomyosarcoma and others.

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