Abstract
Purpose
Pediatric primary high-grade spinal glioma (p-HGSG) is an extremely rare disease process, with little data within the current literature. Akin to primary high-grade gliomas, this cancer has been exemplified by dismal prognosis and poor response to modern treatment paradigms. This study seeks to investigate the current trends affecting overall survival using the National Cancer Database (NCDB).
Methods
The NCDB was queried for p-HGSG between 2004 and 2016, by utilizing the designated diagnosis codes. Kaplan-Meier curves were generated, and log-rank testing was performed to analyze factors affecting overall survival. In addition, a Cox proportional-hazards model was used to perform multivariate regression analysis of survival outcomes.
Results
A cohort of 97 patients was identified with a histologically confirmed p-HGSG. The overall incidence of p-HGSG in all pediatric spinal cord tumors is 7.5%, with a mean survival time of 25.3 months (SD, 21.0) and 5-year overall survival of 17.0%. The majority of patients underwent surgery (n = 87, 89.7%), radiotherapy (n = 73, 75.3%), and chemotherapy (n = 60, 61.9%). Univariate, multivariate, and Kaplan-Meier log-rank testing failed to demonstrate an association between performing surgery, extent of resection, radiotherapy, or chemotherapy with improved survival outcomes.
Conclusions
The current study constitutes the largest retrospective analysis of p-HGSGs to date, finding that current treatment options of surgery, radiotherapy, and chemotherapy have unclear benefit. This disease process has a poor prognosis without a current modality of treatment that conclusively alters survival. The risks and side effects of these treatment modalities must be carefully considered in such a highly aggressive disease process, especially given potentially limited survival benefits.
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The grant support from the AOSPine Innovation Grant (awarded to senior author) was utilized for funding this project.
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Nunna, R.S., Khalid, S., Behbahani, M. et al. Pediatric primary high-grade spinal glioma: a National Cancer Database analysis of current patterns in treatment and outcomes. Childs Nerv Syst 37, 185–193 (2021). https://doi.org/10.1007/s00381-020-04722-3
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DOI: https://doi.org/10.1007/s00381-020-04722-3