Histology of the central nervous system in nine AIDS showed extracellular hyaline globules in the white matter of the brain and the spinal cord. In immunohistochemical studies with a battery of antibodies, the only positive reaction of these globules was with an antibody to zidovudine. High-performance liquid chromatography showed the presence of a zidovudine isomer in eluates of brain tissue from these patients.
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