Abstract
A 67-year-old man was referred for fluctuating neuropsychiatric symptoms, featuring depression, delirious episodes, recurrent visual hallucinations and catatonic syndrome associated with cognitive decline. No parkinsonism was found clinically even under neuroleptic treatment. 18F-FDG PET/CT showed hypometabolism in the posterior associative cortex including the occipital cortex, suggesting Lewy body dementia, but 123I-FP-CIT SPECT was normal and cardiac 123I-MIBG imaging showed no signs of sympathetic denervation. Alzheimer's disease was excluded by a normal 18F-florbetaben PET/CT. This report suggests a rare case of α-synucleinopathy without brainstem involvement, referred to as "cerebral type" of Lewy body disease.
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Axel Van Der Gucht, Laurent Cleret de Langavant, Ophélie Bélissant, Corentin Rabu, Anne-Ségolène Cottereau, Eva Evangelista, Julia Chalaye, Sophie Bonnot-Lours, Gilles Fénelon, and Emmanuel Itti declare that they have no financial or other relation that could lead to a conflict of interest.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.
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Van Der Gucht, A., Cleret de Langavant, L., Bélissant, O. et al. Brain 18F-FDG, 18F-Florbetaben PET/CT, 123I-FP-CIT SPECT and Cardiac 123I-MIBG Imaging for Diagnosis of a "Cerebral Type" of Lewy Body Disease. Nucl Med Mol Imaging 50, 258–260 (2016). https://doi.org/10.1007/s13139-016-0394-0
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DOI: https://doi.org/10.1007/s13139-016-0394-0