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  • Title: Collision Tumor of Glioblastoma and Meningioma: Case Report and Literature Review.
    Author: Zhang Z, Yang Y, Zhang K, Zhuang J, Shao F, Liu H, Xing Y, Xu S.
    Journal: World Neurosurg; 2018 Sep; 117():137-141. PubMed ID: 29890277.
    Abstract:
    BACKGROUND: Intracranial primary collision tumors of different histologic types are rare, and their occurrence is still unclear. CASE DESCRIPTION: We describe a 66-year-old female who presented with headache, nausea, and vomiting. Magnetic resonance imaging scan showed that there were 2 primary intracranial tumors occurring simultaneously at adjacent sites of the right cerebral hemisphere. Tumor pathology showed 2 distinct tumors: meningioma (World Health Organization I) and glioblastoma. This is a rare case in which 2 different intracranial primary tumors occurred at adjacent sites, but the patient had no history of head trauma, neurologic surgery, or radiation therapy. CONCLUSIONS: According to previous and present reports, the most common type of intracranial primary collision tumor is composed of a benign meningioma and a glioblastoma. During the occurrence of collision tumors, 1 tumor can play a role in the formation and growth of the other.
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