Cryptococcal meningitis is most commonly diagnosed in patients with acquired immunodeficiency syndrome or other immunocompromising conditions. However, even in immunocompetent hosts, cryptococcus infection can disseminate to the central nervous system and cause devastating permanent neurologic deficits. Acquired hemichoreahemiballismus provoked by infection of the central nervous system is a rare complication resulting from the disruption of the normal inhibitory signals from the globus pallidus in the basal ganglia.
