Argyrophilic grain disease is common in older adults and may be a risk factor for suicide: a study of Japanese forensic autopsy cases

Autor: Koji Yoshida, Yukiko Hata, Shojiro Ichimata, Keitaro Okada, Naoki Nishida
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Translational Neurodegeneration, Vol 12, Iss 1, Pp 1-12 (2023)
Druh dokumentu: article
ISSN: 2047-9158
DOI: 10.1186/s40035-023-00352-2
Popis: Abstract Background Neuropathological diagnosis of argyrophilic grain disease (AGD) is currently based primarily on the combination of argyrophilic grain (AG) visualized using Gallyas–Braak silver staining, phosphorylated tau-positive pretangles, coiled bodies, and ballooned neuron detection. Although AGD is common in patients with dementia and/or prominent psychiatric symptoms, whether it is a distinct neurological disease entity or a by-product of the aging process remains unclear. Methods In 1449 serial forensic autopsy cases > 40 years old (823 males and 525 females, aged 40–101 years, mean age 70.0 ± 14.1 years), we examined the frequency and comorbid pathology of AGD cases and investigated the clinical appearance by comparing those with non-AGD cases using the propensity score. Results Of the 1449 cases, we detected 342 AGD cases (23.6%; mean age 79.7 years; 177 males and 165 females). The AGD frequency and stage increased with age (P
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