Outcome of children with primary intramedullary spinal cord tumors

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Abstract
The influence of clinical and treatment factors on the outcome of children with primary intramedullary spinal cord tumors (PST) was evaluated by reviewing the records of 26 children diagnosed during the 15-year period 1970–1984. Five-year survival was 39%, but 5-year event-free survival (EFS) was only 14%. Eighteen-month EFS was 53% (9/17) among children with low-grade astrocytoma, 100% (2/2) with ependymoma, and 0 of 7 with anaplastic astrocytoma or ganglioglioma. There was no significant difference in the 18-month EFS by location of tumor, duration of symptoms, or extent of surgical removal. Five of 9 children with locally recurrent PST had a second operation, and 4 were alive a median of 56 months later. PST disseminated to the leptomeninges or the III ventricle in 5 children: 2 at diagnosis, 2 as the first sign of disease relapse, and 1 after local recurrence. Given the poor outcome of our children, different methods of treatment for children with tumors in this location should be evaluated.