Abstract
Frontotemporal dementia (FTD) is the second most common degenerative dementia after Alzheimer’s disease and its Lewy body variant. Clinical pathology can be subdivided in three main neuropathological subtypes: frontal lobe dementia, Pick’s disease and FTD with motor neuron disease (MND), all characterised by distinct histological features. Until recently the presence of ubiquitin-positive intraneuronal inclusions in the dentate gyrus, and the temporal and frontal cortex was usually associated with the MND type. Such inclusions were also observed in a few sporadic cases of FTD without or with parkinsonism (FTDP) in the absence of MND. We present here clinical, neuropathological and immunohistochemical data about a Swiss FTD family with FTDP-like features but without MND. Spongiosis and mild gliosis were observed in the grey matter. No neurofibrillary tangles, Pick bodies, Lewy bodies, senile plaques or prion-positive signals were present. However, ubiquitin-positive intracytoplasmic inclusions were detected in various structures but predominantly in the dentate gyrus. These observations support the existence of a familial form of FTDP with ubiquitin-positive intracytoplasmic inclusions (Swiss FTDP family).
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Received: 8 November 1999 / Revised, accepted: 17 January 2000
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Kövari, E., Leuba, G., Savioz, A. et al. Familial frontotemporal dementia with ubiquitin inclusion bodies and without motor neuron disease. Acta Neuropathol 100, 421–426 (2000). https://doi.org/10.1007/s004010000208
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DOI: https://doi.org/10.1007/s004010000208