<prompt> True about HIV all except:PML caused by JC virusCNS lymphoma is the most common CNS tumorCMV is the most common cause of retinitisMost common cause of seizure is Candida  <response>: Ans. is d i.e., Most common cause of seizure is Candida Ref: Harrison, 18the, p. 1559, 1560 Most common cause of seizure in the HIV infected patient is toxoplasma. Progressive multifocal leukoencephalopathy PML is a common CNS lesion in HIV infected patients. It is caused by a papovavirus called JC virus. Primary CNS lymphoma is one of the most common brain tumor in HIV infected patients. CMV is the most common cause of retinitis in HIV infected patients. 