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Morphological MRI investigations of the hypothalamus in 232 individuals with Parkinson's disease

Abstract : Background: The pathophysiology of the hypothalamic involvement in Parkinson's disease (PD) is not well understood. The objective of this study was the quantification of hypothalamic volumes in vivo in PD. Methods: High-resolution T1 -weighted magnetic resonance imaging (MRI) data from 232 individuals with PD and 130 healthy non-PD individuals were used for quantification of the hypothalamic volumes. Results: The hypothalamus in PD was not atrophied, as indicated by volumetric analyses in the prospectively collected subcohort (30 PD, V = 921 ± 78 mm3 vs 30 non-PD, V = 917 ± 67 mm3 ; P = 0.850) and validated in a large cohort (202 PD, V = 925 ± 88 mm3 vs 100 non-PD, V = 932 ± 114 mm3 ; P = 0.602). Conclusions: Hypothalamic involvement in PD as shown by a large body of histopathological evidence does not appear to be detectable by MRI-based volumetric quantification. © 2019 The Authors. Movement Disorders published by Wiley Periodicals, Inc. on behalf of International Parkinson and Movement Disorder Society.
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https://www.hal.inserm.fr/inserm-03376294
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Submitted on : Wednesday, October 13, 2021 - 1:56:55 PM
Last modification on : Wednesday, November 3, 2021 - 7:08:18 AM
Long-term archiving on: : Friday, January 14, 2022 - 7:01:21 PM

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Martin Gorges, Barbara Kuntz, Kelly del Tredici, Daniel Schmidt, Hans-Peter Müller, et al.. Morphological MRI investigations of the hypothalamus in 232 individuals with Parkinson's disease. Movement Disorders, Wiley, 2019, 34 (10), pp.1566-1570. ⟨10.1002/mds.27814⟩. ⟨inserm-03376294⟩

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