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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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The most malignant brain tumour is
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The correct answer is  (D) Glioblastoma multiforme # Glioblastoma multiforme (GBM), WHO classification name "glioblastoma", also known as Grade IV Astrocytoma, is the most common and most aggressive malignant primary brain tumor in humans, involving glial cells and accounting for 52% of all functional tissue brain tumor cases and 20% of all intracranial tumors.