White matter lesions in FTLD: distinct phenotypes characterize GRN and C9ORF72 mutations
Résumé
Frontotemporal lobar degeneration (FTLD) has a
high frequency of genetic forms; the 2 most common
are GRN (progranulin) and C9ORF72 mutations.
Recently, our group reported extensive white matter
(WM) lesions in 4 patients with FTLD caused by
GRN mutation, in the absence of noteworthy cardiovascular
risk factors,1 in line with other studies in
GRN mutation carriers.2,3 Here we compared the
characteristics of frontal WM lesions in patients with
behavioral variant of FTLD (bv-FTLD) caused by
GRN and C9ORF72 mutations.
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