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JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
Pediatric craniopharyngiomas: long term results of combined treatment with surgery and radiation.
From 1961 to 1981, 19 pediatric patients with craniopharyngiomas were treated with external beam radiation post surgery. Twelve underwent primary treatment while seven were treated for recurrence. Median follow-up is 21 years (range 8-28 years) with an overall 20-year survival of 62%. Twenty-six percent (5/19) developed disease recurrence following radiation. Of the multiple patient and treatment parameters analyzed, only initial disease status (i.e., primary vs recurrence), surgical extent, radiation dose, and treatment prior to routine use of CT scans (1961-1974) appeared to have major influence on patient outcome. The 20-year survival for those treated for primary disease was 78% versus 25% for those treated for recurrence. Fifty percent (3/6) of patients receiving tumor doses of < or = 5400 cGy developed recurrences versus 15% (2/13) in those receiving > 5400 cGy. Four of the five recurrences occurred in patients treated during the pre-CT era. Long term effects of treatment were analyzed. Surgical morbidity correlated strongly with extent of surgery. All patients who underwent total resection developed surgical sequelae. Radiation morbidity correlated strongly with radiation dose. The incidence of vascular or neurologic complications attributable to radiation were minimal, occurring in only two patients. Both received doses higher than that given with modern therapy. Long-term results from this series are better than those reported with surgery alone. Use of modern surgical and radiation equipment/technique along with CT/MRI imaging should yield improved treatment results both in terms of lower recurrence and lower toxicity rates.
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