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From the Department of Neurology (R.H.S.), University of Kansas School of Medicine, Kansas City; and the Departments of Neuropathology (B.B.M., M.B.S.L., J.W.M.) and Neurology (G.F.W., P.D., C.M., M.F., H.R.B.), University of Virginia School of Medicine, Charlottesville.
Address correspondence and reprint requests to Dr. Russell H. Swerdlow, University of Kansas School of Medicine, Landon Center on Aging, MS 2012, 3901 Rainbow Boulevard, Kansas City, KS 66160 rswerdlow{at}kumc.edu
Objective: To describe a multigenerational kindred with a frontotemporal dementia clinical syndrome (FTDS), extensive subcortical gliosis pathology, and autosomal dominant genetics.
Methods: Clinical, imaging, and pathologic evaluations of multiple family members.
Results: Symptom onset commonly occurred in the fifth or sixth decade, although some kindred members did not develop obvious symptoms until their eighth decade. White matter changes were prominent on both MRI and CT imaging. Results from six brain autopsy evaluations showed consistent but varying degrees of pathology that, while unique, share some histologic similarities with leukodystrophies. These brains were notably devoid of both tau- and ubiquitin-containing inclusions.
Conclusions: Subcortical gliosis in this kindred arises from mutation of a novel gene or else represents a unique frontotemporal dementia clinical syndrome variant caused by mutation of an already known gene. Clinical relevance and research implications are discussed.
Abbreviations: AD = Alzheimer disease; FTD = frontotemporal dementia; FTDS = frontotemporal dementia clinical syndrome; GFAP = glial fibrillary acidic protein; H-E = hematoxylin and eosin; HDLS = hereditary diffuse leukoencephalopathy with spheroids; MDRS = Mattis Dementia Rating Scale; MMSE = Mini-Mental State Examination; PD = Parkinson disease; PrP = prion protein; SPECT = single photon emission tomography; TDP43 = TAR DNA-binding protein 43; UVA = University of Virginia; VWM = vanishing white matter disease.
Disclosure: The authors report no disclosures.
Received May 15, 2008. Accepted in final form October 14, 2008.
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