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. 2017 Sep 22;8:99–113. doi: 10.2147/AHMT.S53391

Table 2.

Average annual age-adjusted incidence rates for LGG in adolescents and young adults, brain and central nervous system tumors by major histology groupings, histology, and age at diagnosis, CBTRUS statistical report: NPCR and SEER, 2007–2011

Histology Age at diagnosis (years)
15–19 20–34

Rate per 100,000 Rate per 100,000
All neuroepithelial tumors 2.78 3.38
Oligodendroglioma 0.09 0.31
Pilocytic astrocytoma 0.84 0.24
Diffuse astrocytoma 0.27 0.50
Oligoastrocytic tumors 0.04 0.29
Other astrocytoma variants 0.10 0.06

Notes: Adapted from Ostrom QT, Gittleman H, Liao P, et al. CBTRUS statistical report: primary brain and central nervous system tumors diagnosed in the United States in 2007–2011. Neuro Oncol. 2014;16(Suppl 4):iv1–iv63, by permission of Oxford Univeristy Press.1

Abbreviations: CBTRUS, Central Brain Tumor Registry of the United States; LGG, low-grade glioma; NPCR, National Program of Cancer Registries; SEER, Surveillance, Epidemiology, and End Results.