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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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Primary cerebral lymphoma -
assistant
The correct answer is  Primary CNS lymphoma are high grade B cell lymphomas associated with EBV infection .Characteristically ,imaging shows a single,homogenously enhancing ,periventricular lesion with surrounding oedema.Brain biopsy is definitive.Prognosis is very poor. Reference: Harrison20th edition pg 897