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J Vet Diagn Invest. 2024 Aug 17:10406387241270024. doi: 10.1177/10406387241270024. Online ahead of print.
ABSTRACT
Cerebellar granule cell layer conglutination is a tissue artifact associated with postmortem autolysis that causes cerebellar granule cell changes once thought to be caused by degeneration and necrosis. Granule cell layer conglutination has been reported mainly in humans and cattle and rarely in other animal species, but its frequency remains vastly unknown in veterinary medicine, mostly because this postmortem change is typically not recorded in autopsy reports. Pathology trainees should be aware of autolytic tissue changes that may mimic pathologic changes in the CNS, particularly when those changes are highly selective for a specific cell population within the cerebellar cortex. Here we provide a brief historical perspective on the evolution of cerebellar granule cell layer conglutination from “enzootic cerebellar necrosis,” a presumed necrotic lesion affecting granule neurons in humans and cattle, to a tissue change associated with postmortem autolysis and increased tissue acidity in the cerebellum. We also provide an update on the animal species in which cerebellar granule cell layer conglutination has been observed during our diagnostic pathology routine.
PMID:39152695 | DOI:10.1177/10406387241270024
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The artifact of cerebellar granule cell layer conglutination in veterinary medicine: a brief historical perspective and review
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The artifact of cerebellar granule cell layer conglutination in veterinary medicine: a brief historical perspective and review
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