Death due to bronchopneumonia. Histology shows extensive neuronal loss and gliosis. The leptomeninges have been removed to display the cerebral atrophy. Woman aged 54 with a four year history of progressive dementia. Died of bronchopneumonia.
Histological examination shows argyrophilic plaques to be numerous.
Decreased intensity of pigmentation of substantia nigra in a man aged 69 with idiopathic Parkinson's disease. An incidental autopsy finding in a man aged 57 who died of carcinoma of the lung. This lesion is common in Queensland. There is good evidence that it is associated with lead poisoning in childhood. It is detectable radiologically.