Related Experiment Videos
High-grade pediatric spinal cord tumors.
T E Merchant1, D Nguyen, S J Thompson
1Department of Radiation Oncology, St. Jude Children's Research Hospital, Memphis, Tenn. 38105, USA.thomas.merchant@stjude.org
Pediatric Neurosurgery
|April 15, 1999
Summary
High-grade pediatric spinal cord tumors have a poor prognosis, with diffuse failure patterns significantly worsening survival outcomes. Accurate disease staging before radiation therapy is crucial for effective treatment of these rare childhood cancers.
Area of Science:
- Pediatric Oncology
- Neuro-oncology
- Radiation Oncology
Background:
- High-grade spinal cord tumors are rare and aggressive in children.
- Treatment outcomes for these tumors remain challenging.
Purpose of the Study:
- To evaluate the institutional experience with high-grade pediatric spinal cord tumors.
- To analyze survival outcomes and patterns of failure following radiation therapy.
Main Methods:
- Retrospective review of 11 pediatric patients treated between 1981-1997.
- All patients received biopsy or attempted resection and postoperative radiation therapy.
- Tumor histology included anaplastic astrocytoma, glioblastoma multiforme, and anaplastic oligodendroglioma.
Main Results:
- Median overall survival was 13 months, with only 2 patients surviving long-term.
- Median progression-free survival was 10 months.
- Diffuse patterns of failure significantly correlated with shorter overall survival (10 vs. 37 months) and progression-free survival (2 vs. 23 months) compared to local failure.
Conclusions:
- High-grade pediatric spinal cord tumors carry a poor prognosis.
- Patterns of failure, particularly diffuse progression, are critical determinants of outcome.
- Accurate disease extent documentation before radiation therapy is essential for optimizing treatment strategies.