Abstract
This article reviews the clinicopathologic features and the biological behavior of 24 cases of synovial sarcoma that took origin from the cervical prevertebral connective tissue space and manifested as a retropharyngeal tumor or as a palpable mass in the anterior or posterior cervical triangle. The age of the 24 patients ranged from 10 to 51 years, with a median of 19 years. Ten patients were women and 14 men. Hoarseness or difficulty in breathing or swallowing were the first symptoms in eight patients. The tumors were solitary and ranged from 2 to 10 cm in greatest dimension. Microscopically, all of the cases showed the characteristic biphasic cellular pattern of a synovial sarcoma, with epithelioid and fibrosarcoma-like areas in varying proportions. Synovioblastic origin of the neoplasm was confirmed by the results of histochemical staining procedures and, in 1 case, by the examination with the electron microscope. Of the 21 cases followup information, 12 had died (10 with pulmonary metastasis) and 9 were alive and free of symptoms. Prompt and complete surgical removal is required to prevent complications from recurrent tumor growth or metastasis.
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