Cancer
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Review Comparative Study
Comparing central nervous system (CNS) and extra-CNS hemangiopericytomas in the Surveillance, Epidemiology, and End Results program: analysis of 655 patients and review of current literature.
Hemangiopericytomas (HPCs) are rare tumors in the central nervous system (CNS) and in extra-CNS sites. The authors of this report used the Surveillance, Epidemiology, and End Results (SEER) Program to study prognostic factors in patients with HPC. ⋯ The current analysis demonstrated that patients with extra-CNS HPCs had worse OS and CSS than patients with CNS HPCs.