although certain opportunistic infections ( toxoplasmosis , cryptococcosis , progressive multifocal leukoencephalopathy , and herpesviral infections ) and cns lymphomas often produce cns disease in patients with aids , it is now clear that many cases of neurologic disease are caused by a group of disorders thought to be related to direct cns infection by the aids retrovirus .
C0007682
cns disease
C0007684
cns