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Int J Radiat Oncol Biol Phys. 2007 Nov 15;69(4):1199-204. Epub 2007 Aug 6.

Outcomes in treatment for intradural spinal cord ependymomas.

Author information

  • 1Department of Radiation Oncology, Kaiser Permanente, Los Angeles, CA 90027, USA. pvolpp@yahoo.com

Abstract

PURPOSE:

Spinal cord ependymomas are rare tumors, accounting for <2% of all primary central nervous system tumors. This study assessed the treatment outcomes for patients diagnosed with spinal cord ependymomas within the Southern California Kaiser Permanente system.

METHODS AND MATERIALS:

We studied 23 patients treated with surgery with or without external beam radiotherapy (EBRT). The local and distant control rates and overall survival rates were determined.

RESULTS:

The overall local control, overall recurrence, and 9-year overall survival rate was 96%, 17.4%, and 63.9%, respectively.

CONCLUSIONS:

The results of our study indicate that en bloc gross total resection should be the initial treatment, with radiotherapy reserved primarily for postoperative cases with unfavorable characteristics such as residual tumor, anaplastic histologic features, or piecemeal resection. Excellent local control and overall survival rates can be achieved using modern microsurgical techniques, with or without local radiotherapy.

PMID:
17689025
[PubMed - indexed for MEDLINE]
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