The most common organism amongst the following that causes acute meningitis in an AIDS patients is?
Streptococcus pneumoniae
Steptococcus agalactiae
Cryptococcus neoformans
Listeria monocytogenes
Ans. is 'c' i.e., Cryptococcus neoformans Neurological manifestations . Frequent oppounistic diseases of CNS are ? - Toxoplasmosis (most common cause of CNS infection in AIDS patients) - Cryptococcosis - Primary CNS lymphoma - Progressive multifocal leukoencephalopathy. . AIDS dementia complex (HIV encephalopathy) is a result of direct effects of HIV on CNS (not an oppounistic disease). It is subcoical dementia. . Most common cause of seizures --> Toxoplasma . Most common cause of meningitis --> Cryptococcus . M.C. cause of focal neurological deficit --> Toxoplasma