滑膜肉瘤发生于软组织，常在关节或腱鞘附近，少见于滑膜以外组织。本文报道一例罕见的颅内外沟通型滑膜肉瘤。１病例资料患者男，３６岁，因左侧头面部胀痛半年，进行性张口困难、头痛加剧２０ｄ入院。临床检查：左侧面部肿大，颧弓区可触及肿物，边界不清，有压痛，无波... Synovial sarcoma occurs in soft tissues, often in the vicinity of joints or tendons, and is rarely seen in tissues other than the synovial membrane. This article reports a rare case of intracranial and extracranial communicating synovial sarcoma. 1 Case data The patient was male, 36 years old, with pain on the left side of the head and face for six months. He had difficulty opening his mouth and had aggravated headache 20 days later. Clinical examination: The left side of the facial swelling, palpable arch area can touch the mass, the border is unclear, there is tenderness, no wave ...