Neurocysticercosis can result in Parkinsonism.
Mechanism: brainstem lesions with ependymitis
Features:
(1) no past history of Parkinson's disease
(2) evidence of neurocysticercosis
(3) rigid akinetic clinical picture that improves with levodopa
(4) improvement or cure following albendazole or other anticysticercal therapy
Clues to the diagnosis:
(1) younger age than normal for Parkinson's disease
(2) evidence of cysticercosis or living in a region where it is endemic
