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目的:应用CT立体定向术对脑深部及功能区的病变进行病理学诊断和治疗.方法:自1990年以来采用CT立体定向技术对68例脑深部和功能区的颅内囊性肿瘤进行了定向病检,排除囊液,瘤腔内放置Omaya管和瘤腔胶体磷酸铬内放疗,功能区脑脓肿定向排脓,脑深部病灶定向病检.结果:31例囊性颅咽管瘤经12～66个月随访,25例(80.7%)瘤腔持续消失,3例较前显著缩小,3例瘤实质增大;7例囊性胶质瘤中,2例25～38个月无复发,5例13个月后相继复发;3例囊性转移癌虽在6～18个月内死亡,但颅内放疗病灶无复发;5例功能区脑脓肿全部治愈而无明显后遗症.22例脑深部病灶20例获得病理学诊断,全组无严重并发症和无死亡率.结论:CT立体定向瘤腔内放疗对治疗脑深部和功能区囊性为主的肿瘤应为首选的治疗方法.
OBJECTIVE: To apply CT stereotactic technique to diagnose and treat the pathological changes in deep brain and functional area.Methods: Sixty-eight cases of intracranial cystic tumors of deep brain and functional areas were orientated using CT stereotactic technique since 1990 Systematic removal of cyst fluid, placement of Omaya tube in the tumor cavity and intraluminal colloidal chromium phosphate radiotherapy, directional abscess in the functional area of brain abscess, and directional examination of lesions in the deep brain.Results: 31 cases of cystic craniopharyngiomas were treated with 12 ~ At 66 months of follow-up, 25 cases (80.7%) of tumor cavity continued to disappear, 3 cases were significantly reduced, 3 cases of tumor parenchyma increased; 7 cases of cystic glioma, 25 cases of 38 to 38 months without recurrence, 5 Cases of cystadenocarcinoma recurrence 13 months later; 3 cases of cystic metastasis died within 6 to 18 months, but no recurrence of intracranial radiotherapy lesions; 5 cases of functional brain abscess were completely cured without obvious complications.22 cases of deep brain lesions Twenty cases were pathologically diagnosed, with no serious complications and no mortality.Conclusion: CT stereotactic radiotherapy for the treatment of deep brain and functional cystic tumors should be the preferred treatment.