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  • Title: Management of craniopharyngioma.
    Author: Isaac MA, Hahn SS, Kim JA, Bogart JA, Chung CT.
    Journal: Cancer J; 2001; 7(6):516-20. PubMed ID: 11769865.
    Abstract:
    PURPOSE: The management of craniopharyngioma does not have a consensus. Extensive surgery may be associated with major complications. The purpose of this study was to evaluate local tumor control and survival after limited surgery and postoperative radiotherapy. METHODS AND MATERIALS: Thirty patients with craniopharyngioma were treated at SUNY Upstate Medical University in Syracuse, NY from 1967 to 2000. The group consisted of 13 males and 17 females, and the median age was 35 years. The median follow-up was 71 months. Only two patients underwent complete tumor resection. Eighteen patients underwent subtotal resection, and 10 underwent decompressive surgery (ventriculoperitoneal shunt or cyst aspiration). Most (20/ 28) patients who had less than total resection received immediate postoperative radiotherapy. Four patients received conventional radiotherapy for recurrence. Gamma knife radiosurgery was used as part of the primary treatment in two patients and at the time of local tumor recurrence in three patients. RESULTS: The local control rate, including after salvage treatment, was 91% and 83% at 5 and 10 years, respectively. Salvage was radiotherapy, gamma knife or surgery. Ultimate local tumor control appeared better for patients who underwent subtotal resection (100% and 89% at 5 and 10 years, respectively) than for those who did not undergo resection (61% and 61% at 5 and 10 years, respectively). The overall survival was 93% and 83% at 5 and 10 years, respectively. Two patients underwent gross total resection, and one patient experienced recurrence 6 years after the surgery and was treated by gamma knife radiosurgery. Both patients are well without recurrence at 3 and 7 years after the initial surgery. Survival also appeared to be improved for the group who underwent subtotal resection (100% and 90% at 5 and 10 years, respectively) versus those who did not undergo surgery (73% and 73% at 5 and 10 years, respectively). The dose of radiotherapy > or = 50 Gy had no impact on local control or survival. Ten patients experienced surgery-related complications, and five had radiotherapy-related complications, including visual, cranial nerve, motor, and endocrine deficits. CONCLUSION: The extent of surgery appears to be an important prognostic factor for predicting outcome, although this may represent selection bias. Long-term disease control is excellent after subtotal resection and postoperative radiotherapy. Encouraging initial results have been seen with gamma knife radiosurgery, and the potential for gamma knife radiosurgery to replace more extensive surgical resection should be further explored.
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