All authors are with the Allegheny Health Network Cancer Institute, Pittsburgh, PA. Dr. Wegner, Dr. Horne, Dr. Verma and Dr. Karlovits are attending physicians; Dr. Abel is a resident, and Dr. Hasan is chief resident, Division of Radiation Oncology. Dr. Ranjan is an attending physician, Division of Medical Oncology. Dr. Yu, Dr. Xu and Dr. Williamson are attending physicians, Department of Neurosurgery. Disclosure: The authors have no conflicts of interest to disclose. None of the authors received outside funding for the production of this original manuscript and no part of this article has been previously published elsewhere. The study was performed using de-identified data from the National Cancer Database; as such, the study protocol was exempt from institutional review board supervision.
Abstract Background: Glioblastoma (GBM) is a high-grade intracranial malignancy with a propensity…