This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Seizures and Epilepsy, Subject name: Medicine
[{'content': 'Least common cause of seizures in AIDS patient is? \nSelect and explain. \nA. Toxoplasmosis, B. Cerebral lymphoma, C. Progressive multifocal leukoencephalopathy, D. Cryptococcal meningitis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: ANSWER: (C) Progressive multifocal leukoencephalopathyREF: Harrisons Internal Medicine 17th edition chapter 182 Table 182-13Causes of Seizures in Patients with HIV InfectionDiseaseOverall Contribution to First Seizure, %HIV encephalopathy24-47Cerebral toxoplasmosis28Cryptococcal meningitis13Primary central nervous system lymphoma4Progressive multifocal leukoencephalopathy1', 'role': 'assistant'}]