我们在1992年4～5月对4例巨大囊性颅咽管瘤,年龄在6～67岁,术前均有恶心、呕吐等颅高压症状,视力严重损害,并有多饮、多尿等内分泌障碍,其中1例伴有严重精神症状。入院后均采用CT立体定向术、肿瘤活检,排除囊液后向瘤腔内安置Omaya管,术后通过安置于头皮下的阀门向瘤腔内注入放射性胶体磷酸铬1～2次(2.72mci),间隔1个月。术后所有病人颅高压症状消失,视力明显改善,内分泌症状得到控制。经随访3 We from April to May 1992 on 4 cases of giant cystic craniopharyngioma, aged 6 to 67 years, preoperative nausea, vomiting and other symptoms of intracranial hypertension, severe visual impairment, and have polydipsia, polyuria, etc. Endocrine disorders, including 1 case with severe psychiatric symptoms. After admission, CT stereotactic surgery and tumor biopsy were performed. Omaya tube was placed in the tumor cavity after cyst fluid was removed. Radioactive colloidal chromium phosphate (~ 2.72mci) was injected into the tumor cavity after operation through the valve placed under the scalp. , One month apart. After all patients with symptoms of intracranial hypertension disappeared, visual acuity was significantly improved, endocrine symptoms under control. Follow-up 3