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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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Which of the following is the most common CNS tumor associated with HIV infection?
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The correct answer is  Answer is A (Lymphoma): The most common neoplasm in the central Nervous System (CNS malignancy) in HIV positive patients is primary CNS Lymphoma. 'Primary CNS Lymphoma is the most common neoplasm of the CNS in HIV positive patients'. - 'Radiology of AIDS' (Springer 2001)/69 Primary CNS Lymphoma is the most common CNS oppounistic malignancy in patients with HIV infection'. Spiral Manual of Allergy & Immunology 4th/439