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Semantic Dementia

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PET/MR Imaging

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Abstract

Semantic dementia is a variant of primary progressive aphasia. PET/MR imaging is excellent at displaying the characteristic asymmetric focal atrophy and hypometabolism involving the temporal lobe which eventually progresses diffusely throughout the brain.

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Suggested Reading

  • Bonner MF, Ash S, Grossman M. The new classification of primary progressive aphasia into semantic, logopenic, or nonfluent/agrammatic variants. Curr Neurol Neurosci Rep. 2010;10(6):484–90.

    Article  PubMed  PubMed Central  Google Scholar 

  • Diehl J, Grimmer T, Drzezga A, Riemenschneider M, Förstl H, Kurz A. Cerebral metabolic patterns at early stages of frontotemporal dementia and semantic dementia. A PET study. Neurobiol Aging. 2004;25(8):1051–6.

    Article  CAS  PubMed  Google Scholar 

  • Kruger CE, Dean DL, Rosen HJ, Halabi C, Weiner M, Miller BL, et al. Longitudinal rates of lobar atrophy in frontotemporal dementia, semantic dementia, and Alzheimer’s disease. Alzheimer Dis Assoc Disord. 2010;24(1):43–8.

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Authors and Affiliations

  1. Department of Radiology, Stony Brook University Hospital, 101 Nicolls Road, Stony Brook, NY, 11794, USA

    Lev Bangiyev DO

  2. Department of Radiology and Imaging Sciences, Emory University Hospital, 1364 Clifton Road NE, Atlanta, GA, 30322, USA

    Michael J. Hoch MD

  3. Department of Radiology, New York University Langone Medical Center, 660 First Avenue, New York, NY, 10016, USA

    Timothy M. Shepherd MD, PhD

Authors
  1. Lev Bangiyev DO
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  2. Michael J. Hoch MD
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  3. Timothy M. Shepherd MD, PhD
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Correspondence to Lev Bangiyev DO .

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Bangiyev, L., Hoch, M.J., Shepherd, T.M. (2018). Semantic Dementia. In: PET/MR Imaging . Springer, Cham. https://doi.org/10.1007/978-3-319-65106-4_135

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  • DOI: https://doi.org/10.1007/978-3-319-65106-4_135

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-65105-7

  • Online ISBN: 978-3-319-65106-4

  • eBook Packages: MedicineMedicine (R0)

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