title: Preservation of the substantia nigra and locus coeruleus in a patient receiving levodopa (2 kg) plus decarboxylase inhibitor over a four-year period.
abstract: A 72-year-old hypertensive man developed parkinsonism and was treated with Sinemet for 4 years but then died of a bronchial carcinoma. Necropsy revealed cerebrovascular disease and amyloid angiopathy. The substantia nigra and locus coeruleus were normal on light microscopy.
mesh_terms: D000368:Aged; D002230:Carbidopa / Q000494:pharmacology*; D004338:Drug Combinations / Q000494:pharmacology; D006801:Humans; D007980:Levodopa / Q000494:pharmacology*; D008125:Locus Coeruleus / Q000187:drug effects*; D008297:Male; D010300:Parkinson Disease / Q000188:drug therapy*; D013378:Substantia Nigra / Q000187:drug effects*
chemical_list: D004338:Drug Combinations; C009265:carbidopa, levodopa drug combination; D007980:Levodopa; D002230:Carbidopa