Completeness of required site-specific factors for brain and CNS tumors in the Surveillance, Epidemiology and End Results (SEER) 18 database (2004–2012, varying)

Quinn T. Ostrom, Haley Gittleman, Carol Kruchko, David N. Louis, Daniel J. Brat, Mark R. Gilbert, Valentina I. Petkov, Jill S. Barnholtz-Sloan*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Cancer registries are an important source of population-level information on brain tumor incidence and survival. Surveillance, Epidemiology, and End Results (SEER) registries currently collect data on specific required factors related to brain tumors as defined by the American Joint Commission on Cancer, including World Health Organization (WHO) grade, MGMT methylation and 1p/19q codeletion status. We assessed ‘completeness’, defined as having valid values over the time periods that they have been collected, overall, by year, histology, and registry. Data were obtained through a SEER custom data request for four factors related to brain tumors for the years 2004–2012 (3/4 factors were collected only from 2010 to 2012). SEER*Stat was used to generate frequencies of ‘completeness’ for each factor overall, and by year, histology and registry. The four factors varied in completeness, but increased over time. WHO grade has been collected the longest, and showed significant increases in completeness. Completeness of MGMT and 1p/19q codeletion was highest for glioma subtypes for which testing is recommended by clinical practice guidelines. Completeness of all factors varied by histology and cancer registry. Overall, several of the factors had high completeness, and all increased in completeness over time. With increasing focus on ‘precision medicine’ and the incorporation of molecular parameters into the 2016 WHO CNS tumor classification, it is critical that the data are complete, and factors collected at the population level are fully integrated into cancer reporting. It is critical that cancer registries continue to collect established and emerging prognostic and predictive factors.

Original languageEnglish (US)
Pages (from-to)31-42
Number of pages12
JournalJournal of Neuro-Oncology
Volume130
Issue number1
DOIs
StatePublished - Oct 1 2016

Keywords

  • 1p/19q codeletion
  • Brain tumors
  • Cancer registration
  • MGMT methylation
  • WHO grade

ASJC Scopus subject areas

  • Oncology
  • Neurology
  • Clinical Neurology
  • Cancer Research

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