이상와에 국소 재발한 활막육종의 경구강 내시경 하 절제술 1예

초록

Synovial sarcoma in head and neck is an extremely rare cancer. Symptoms may occur depending on the location of tumor. Synovial sarcoma is divided into two main phenotypes-biphasic and monophasic. Surgical excision including optimal resection margin is generally recommended as a standard treatment of synovial sarcoma, if the tumor is resectable. Standard adjuvant therapy of synovial sarcoma has not been established yet. Recently, we have experienced a case of recurrent synovial sarcoma in pyriform sinus without regional or distant metastasis after initial resection of tumor. We successfully performed endoscopic excision of recurred tumor and obtained clear resection margin. We followed up the patient without any adjuvant therapy for 2 years. We report this rare case with literature review. Korean J Otorhinolaryngol-Head Neck Surg 2016;59(5):383-7

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