Conclusions: CT-guided stereotactic intracavitary irradiation for cystic craniopharyngioma is safe and effective, it should be the most appropriate initial surgical management.

• 结论：CT立体定向囊腔内放疗治疗囊性颅咽管瘤十分安全、有效，应作为治疗囊性颅咽管瘤首选的方法。