本文报道首都医院近10年来诊治的3例透明隔肿瘤,其病理诊断分别为上皮样囊肿、畸胎癌及异位松果体瘤,临床表现可分颅内压增高与周围神经结构受压或浸润两组症状,早期以头痛、精神异常、视力减退或癫痫发作为主,晚期出现颅内压增高、局限性运动感觉障碍、多动、本僵、内分泌异常或器质性精神病。本组3例年龄在26岁以下,从症状出现至入院时间 This paper reports the Capital Hospital diagnosis and treatment of the past 10 years, three cases of clear septal tumor, the pathological diagnosis of epithelioid cysts, teratocarcinoma and ectopic pineal tumors, clinical manifestations can be divided into increased intracranial pressure and peripheral nerve compression or Infiltration of the two groups of symptoms, early headache, mental disorders, vision loss or seizures based, advanced intracranial pressure increased, localized motor sensory disturbances, hyperactivity, stiffness, endocrine abnormalities or organic psychosis. The group of 3 patients under the age of 26, from the onset of symptoms to admission time