颌后腮腺区神经鞘瘤少见,而其囊性变者更为罕见。我科曾将一例此瘤误诊为腮腺深叶混合瘤,现报道如下。患者女,44岁,主管护师。右耳垂下肿块一年半,诊断为腮腺深叶混合瘤入院。1988年10月发现右耳垂下一鸡蛋大小肿块,持续存在,无明显增大,每遇感冒后,觉右耳垂下腮腺区肿胀感,进食时觉右侧颞下颌关节部易疲劳。曾在湖南医科大学附二医院行腮腺区肿块 B The schwannoma is rare in the posterior parotid gland, and its cystic degeneration is even rarer. Our department had misdiagnosed one case of this tumor as a mixed tumor of deep parotid gland, which is reported as follows. The patient female, aged 44, is in charge of a nurse. One and a half of the mass under the right ear lobe was diagnosed as a mixed tumor of deep parotid gland. In October of 1988, the size of the right ear lobe was found to be persistent and there was no significant increase. After each flu, I felt a sense of swelling in the parotid gland of the right ear lobe, and I felt tired in the right temporomandibular joint when eating. He had a tumor in the parotid gland at the Second Affiliated Hospital of Hunan Medical University.