label: manganese poisoning
label_lc: manganese poisoning
description: "Manganese poisoning is associated with chronic inhalation of manganese particles by individuals who work with manganese ore. Clinical features include confusion; hallucinations; and an extrapyramidal syndrome (parkinson disease, secondary) that includes rigidity; dystonia; retropulsion; and tremor. (Adams, Principles of Neurology, 6th ed, p1213)"