(Fig 1) (Fig 3). Lewy bodies were also found within neurons of the substantia innominata and of the locus ceruleus.The cerebral cortex in general showed no cytoarchitectural abnormalities or changes in the nerve fibers or glia (except for the expected scarring at the biopsy site). Adja¬ cent to many of the nerve cells, espe¬ cially in the frontal and insular cortex, there were hyaline eosinophilic bodies of rounded or irregular contour, which in their appearance and staining properties resembled the swollen axons seen else¬ where; but they differed from the Lewy bodies (Fig 4). These structures, identified as juxtaneuronal axonal swellings, could also be found in the cerebral biopsy speci¬ men. In the hippocampus, many of the pyramidal neurons showed granulovacuolar degeneration.