[Neurilemmoma of the pharynx: 4 cases report]

This paper reported 4 cases of neurilemmoma of the pharynx so as to introduce our clinical experience. Tumor body of 3 cases lay parapharyngeal space, and other one did retropharyngeal space. Among 4 cases, tumor body of two cases derived from vagus nerve, one from hypoglossus nerve, and one from pharyngeal plexus likely. The diagnosis of these cases were verified by operation and pathological observation. They didn't recurred after 3 years of following-up. The points for attention in diagnosis and treatment of this disease were discussed.