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- Title
Sporadic corticobasal syndrome due to FTLD-TDP.
- Authors
Tartaglia, Maria Carmela; Sidhu, Manu; Laluz, Victor; Racine, Caroline; Rabinovici, Gil D; Creighton, Kelly; Karydas, Anna; Rademakers, Rosa; Huang, Eric J; Miller, Bruce L; DeArmond, Stephen J; Seeley, William W
- Abstract
Sporadic corticobasal syndrome (CBS) has been associated with diverse pathological substrates, but frontotemporal lobar degeneration with TDP-43 immunoreactive inclusions (FTLD-TDP) has only been linked to CBS among progranulin mutation carriers. We report the clinical, neuropsychological, imaging, genetic, and neuropathological features of GS, a patient with sporadic corticobasal syndrome. Genetic testing revealed no mutations in the microtubule associated protein tau or progranulin (PGRN) genes, but GS proved homozygous for the T allele of the rs5848 PGRN variant. Autopsy showed ubiquitin and TDP-43 pathology most similar to a pattern previously associated with PGRN mutation carriers. These findings confirm that FTLD-TDP should be included in the pathological differential diagnosis for sporadic CBS.
- Publication
Acta neuropathologica, 2010, Vol 119, Issue 3, p365
- ISSN
1432-0533
- Publication type
Journal Article
- DOI
10.1007/s00401-009-0605-1