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It is critical to identify neuronal populations and brain regions that are vulnerable or resistant to tau pathological changes. Pick disease (PiD) is a three-repeat (3R) tauopathy that belongs to the group of frontotemporal lobar degenerations. The neuropathologic changes of PiD are characterized by globular tau-positive neuronal intracytoplasmic inclusions, called Pick bodies, in the granule cells of the dentate gyrus and frontal and temporal neocortices, and ballooned neurons, named Pick neurons, in the neocortex. In the present study, we examined 13 autopsy-confirmed cases of PiD. Using immunohistochemistry for phospho-tau (AT8) and 3R tau isoform, all PiD cases demonstrated extensive lesions involving the hippocampus and neocortex. However, the lateral geniculate body (LGB) is spared of significant tau lesions in contrast to the neighboring hippocampus and other thalamic nuclei. Only 1 PiD case (7.7%) had tau-positive neurons, and 4 cases had tau-positive neurites (31%) in the LGB. By contrast, the LGB does consistently harbor tau lesions in other tauopathies including progressive supranuclear palsy, corticobasal degeneration, and AD.<\/jats:p>","DOI":"10.1093\/jnen\/nlae016","type":"journal-article","created":{"date-parts":[[2024,2,27]],"date-time":"2024-02-27T20:23:12Z","timestamp":1709065392000},"page":"238-244","source":"Crossref","is-referenced-by-count":1,"title":["Lateral geniculate body is spared of tau pathology in Pick disease"],"prefix":"10.1093","volume":"83","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7873-3640","authenticated-orcid":false,"given":"Koping","family":"Chang","sequence":"first","affiliation":[{"name":"Department of Pathology, Johns Hopkins University School of Medicine , Baltimore, Maryland, USA"},{"name":"Department and Graduate Institute of Pathology, National Taiwan University Hospital, National Taiwan University College of Medicine , Taipei, 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