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Keywords:

  • Substantia nigra;
  • Locus coeruleus;
  • Parkinson's disease;
  • Levodopa

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.