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Journal of Korean Neurosurgical Society > Volume 30(4); 2001 > Article
Journal of Korean Neurosurgical Society 2001;30(4): 472-478.
Long-term Results of Surgical Treatment of Craniopharyngioma: Experience with 100 Adult Patients.
Jae Seung Bang, Hee Won Jung, Dong Gyu Kim, Ho Shin Gwak, Sun Ha Paek, Young Seob Chung, Seung Koan Hong
1Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Korea.
2Department of Neurosurgery, Kangwon National University College of Medicine, Chunchon, Korea.
OBJECTIVES: The authors present a retrospective analysis of 100 consecutive adult patients harboring craniopharyngiomas who underwent microsurgical resection between 1981 and 1999 to assess the long-term outcome of surgical treatment and to determine the most optimal management strategy.
The extent of surgical removal was divided into four categories; GTR(gross total removal), RSTR(radical subtotal removal), STR(subtotal removal),and PR(partial removal). The median follow-up period was 50 months(4-198). CT scan and/or MR imaging and hormonal status were evaluated to the last follow-up.
Visual disturbance was the most common presentation, which was improved in 42 cases and aggravated in 19 cases following the operation. Hypopituitarism was detected in 56 patients preoperatively, 82 during the immediate postoperative period, and 76 at the last follow-up. Improvement of pituitary function was not observed in any of these patients. Twenty of 100 patients showed recurrence at the mean of 27 months(3 to 196). The median progression-free survival(PFS) time of all patients was 145 months and 5-year PFS rate was 74%. Five-year PFS rate of GTR or RSTR group(71%) was significantly higher than that of STR or PR group(30%)(p=0.01). Postoperative radiation therapy significantly prolonged the PFS from 94 months in non-radiation group to 182 months(p=0.002). However, there was no statistical difference in number of patients who required hormonal replacement therapy between radiation and non-radiation group.
Visual disturbance can be improved by early diagnosis and surgical decompression. GTR or RSTR in selected patients is considered a proper surgical strategy. Post-operative radiation therapy for residual tumors must be considered, although the ideal timing of radiation therapy is to be determined.
Key Words: Craniopharyngioma; Adult; Surgery; Radiation
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