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Neuropathologic characteristics of C9ORF72 mutation carriers
Abbreviations: AD = Alzheimer disease; bvFTD = behavioural variant frontotemporal dementia; FTD-ALS = frontotemporal dementia with amyotrophic lateral sclerosis.
Gross tissue atrophy scored as follows: 1, mild; 2, moderate; 3, severe; 4, maximal atrophy.14
