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Choroid plexus tumors in children: a population-based study.

Sandi Lam1, Yimo Lin, Jacob Cherian

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Summary

Tumor grade predicts survival in pediatric choroid plexus tumors. For choroid plexus carcinomas (CPC), gross total resection significantly improves survival, while radiation offers no benefit.

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Area of Science:

  • Pediatric Oncology
  • Neurosurgery
  • Cancer Epidemiology

Background:

  • Choroid plexus tumors (CPTs) are rare pediatric neoplasms.
  • The SEER database enables analysis of prognostic factors and survival in CPTs.

Purpose of the Study:

  • To analyze prognostic factors and survival in pediatric choroid plexus tumors using the SEER database.
  • To investigate the impact of tumor grade, surgical resection, and radiation on survival.

Main Methods:

  • Analysis of the SEER database for pediatric patients (<18 years) with choroid plexus papilloma (CPP), atypical CPP, and choroid plexus carcinoma (CPC).
  • Univariate and multivariate analyses examined demographic and treatment factors (surgical resection extent, adjuvant radiation) related to survival.

Main Results:

  • Higher tumor grade significantly increased mortality; 5-year survival was 98.7% for CPP vs. 58.5% for CPC.
  • Gross total resection (GTR) in CPC significantly lowered mortality (HR=0.21) and improved 5-year survival (70.9% vs. 35.9% after subtotal resection).
  • Radiation therapy did not confer a survival benefit in CPC; demographic factors showed no significant association with mortality.

Conclusions:

  • Tumor grade is a key predictor of survival in pediatric choroid plexus tumors.
  • Extent of surgical resection, particularly GTR, significantly enhances survival in CPC patients.
  • Radiation therapy does not improve survival outcomes for CPC.