prop-pdf-only no pmc-prop-suppress-copyright no pmc-prop-is-real-version no pmc-prop-is-scanned-article no pmc-prop-preprint no pmc-prop-in-epmc yes pmc-license-ref CC BY-NC-SA Demographics The incidence of central nervous system (CNS) tumors in India ranges from 5 to 10 per 100,000 population with an increasing trend and accounts for 2% of malignancies.[ 1 2 ] Hospital-based databases capturing CNS malignancies had been analyzed prospectively from registrations in the neuro-oncology clinic of a tertiary care center over a period of 1 year.[ 3 ] Astrocytomas (38.7%) were the most common primary tumors with the majority being high-grade gliomas (59.5%).
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