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Association of Amyotrophic Lateral Sclerosis and Alzheimer’s Disease: New Entity or Coincidence? A Case Series

Abstract : Amyotrophic lateral sclerosis (ALS) and frontotemporal dementia have a strong clinical, genetic, and pathological connection but association of ALS with Alzheimer’s disease (AD) is seldom reported. We report a series of 5 cases of AD associated with ALS. Our patients presented with cognitive deterioration with episodic memory impairment meeting criteria for AD. ALS occurred subsequently in all cases and its phenotype was not homogenous. Amyloid process was confirmed in four cases with cerebrospinal fluid biomarkers. One case underwent postmortem exam, demonstrating hallmarks lesions of both diseases. This series highlights that ALS-AD phenotype could be a specific underexplored entity.
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https://hal-univ-fcomte.archives-ouvertes.fr/hal-03630021
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Submitted on : Monday, April 4, 2022 - 4:59:41 PM
Last modification on : Monday, April 4, 2022 - 4:59:41 PM

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Agathe Vrillon, Vincent Deramecourt, Florence Pasquier, Éloi Magnin, David Wallon, et al.. Association of Amyotrophic Lateral Sclerosis and Alzheimer’s Disease: New Entity or Coincidence? A Case Series. Journal of Alzheimer's Disease, IOS Press, 2021, 84 (4), pp.1439-1446. ⟨10.3233/JAD-215226⟩. ⟨hal-03630021⟩

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