J Korean Neurosurg Soc.
1991 Nov;20(10-11):893-899.
Intracranial Ependymoma : Clinicopathologic Features and Prognostic Factors
- Affiliations
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- 1Departments of Neurosurgery, Seoul National University College of Medicine, Seoul, Korea.
- 2Departments of Pathologly, Seoul National University College of Medicine, Seoul, Korea.
Abstract
- The clinical and pathologic features, including prognostic factors and survival data, were analyzed for 23 patients with intracranial ependymoma treated surgically at the Seoul National University Hospital during the years 1979 to 1990. The age at diagnosis ranged from 2 months to 55 years(mean : 14.9 years). The male to female ratio was 10:13. Fifteen patients(65%) were under the age of 15. The tumors of twenty one patients(91%) were located infratentorially. The adjusted overall 5-year-survival rate of infratentorial ependymomas was 77% excluding 4 cases of surgical mortaltiy(Kaplan-Meier method). The period of follow-up ranged from 2 to 70 months. No correlation was possible between 5-year-survival rate and extent of tumor, age group(below and above 6 years), extent of removal, or pathologic grading. Clinical or pathological evidence of spinal metastasis was not found.
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