摘要： 采用经枕部小脑幕入路手术治疗9 例松果体区成熟畸胎瘤患者，无一例围手术期死亡，术后均经病理检查明确诊断。术后4 例发生手术相关性并发症（双眼上视困难、视野缺损、癫发作）。术后共随访3 个月至7 年，平均3.70 年。松果体区成熟畸胎瘤多见于男性儿童，以颅内高压和共济失调为主要临床表现，神经外科手术治疗可获得满意疗效。

关键词: 畸胎瘤, 松果腺, 显微外科手术

Abstract: Surgical treatment through occipital tentorium of cerebellum approach was performed in nine cases of mature teratoma at the pineal region. Diagnosis was confirmed by postoperative pathological examination. No perioperative death occurred. Surgery-related complications (visual difficulties, visual field defects, seizures) were seen in 4 cases. All cases were followed for 3 months-7 years (mean 3.70 years). The mature teratoma at the pineal region are more common in male children. The main clinical manifestations are intracranial hypertension and ataxia. Neurosurgical treatment may provide satisfactory outcome.

Key words: Teratoma, Pineal gland, Microsurgery