Synovial sarcoma presenting as a neck mass, report of two cases and review of literature

Synovial sarcoma is a rare malignant tumor of mesenchymal origin. It accounts for approximately 8% (5.6%-10%) of all the soft tissue sarcoma, showing a specific chromosomal translocation t(X; 18) (p11; q11) [1]. It arises most commonly in the deep soft tissues of lower extremities such as the knee and ankle. Male adolescents and young adults are especially affected. Only 3% to 10% of all synovial sarcomas occur in the head and neck region, the pharyngeal and cervical areas are most commonly affected while the larynx is the least common site.