Glioblastoma Mimicking an Arteriovenous Malformation
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CitationKhanna, Arjun, Andrew S. Venteicher, Brian P. Walcott, Kristopher T. Kahle, Daniel A. Mordes, Christopher M. William, Zoher Ghogawala, and Christopher S. Ogilvy. 2013. “Glioblastoma Mimicking an Arteriovenous Malformation.” Frontiers in Neurology 4 (1): 144. doi:10.3389/fneur.2013.00144. http://dx.doi.org/10.3389/fneur.2013.00144.
AbstractAbnormal cerebral vasculature can be a manifestation of a vascular malformation or a neoplastic process. We report the case of a patient with angiography-negative subarachnoid hemorrhage (SAH) who re-presented 3 years later with a large intraparenchymal hemorrhage. Although imaging following the intraparenchymal hemorrhage was suggestive of arteriovenous malformation, the patient was ultimately found to have an extensive glioblastoma associated with abnormal tumor vasculature. The case emphasizes the need for magnetic resonance imaging to investigate angiography-negative SAH in suspicious cases to rule out occult etiologies, such as neoplasm. We also discuss diagnostic pitfalls when brain tumors are associated with hemorrhage and abnormal vasculature.
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