18F-AV-1451 Binds to Motor-Related Subcortical Gray and White Matter in Corticobasal Syndrome  

Oleh:

Hanna Cho ; Min Seok Baek ; Jae Yong Choi ; Seung Ha Lee ; Joong Seok Kim ; Young Hoon Ryu ; Chul Hyoung Lyoo ; Myung Sik Lee

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Neurology (Official Journal of The American Academy of Neurology) vol. 89 no. 11 (Sep. 2017), page 1170-1178.
Topik: Corticobasal Syndrome; CBS
Fulltext: N11 v89 n11 p1170 kelik2017.pdf (679.16KB)

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Perpustakaan FK Nomor Panggil: N11.K Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Objective: To investigate tau distribution in patients with corticobasal syndrome (CBS) using 18F-AV-1451 PET. Methods: Six consecutively recruited patients with CBS and 20 age-matched healthy controls underwent 2 PET scans with 18F-AV-1451 (for tau) and 18F-florbetaben (for ß-amyloid). We compared standardized uptake value ratio maps of the 18F-AV-1451 PET images between the patients with CBS and controls. Results: Compared to controls, patients with CBS exhibited asymmetrically increased 18F-AV-1451 binding in the putamen, globus pallidus, and thalamus contralateral to the clinically more affected side and in the ipsilateral globus pallidus and dentate nucleus. Voxel-based comparison additionally showed asymmetrically increased 18F-AV-1451 binding in the focal regions of the precentral gray and white matter and in the midbrain, predominantly in the contralateral side. 18F-AV-1451 binding in the precentral white matter correlated with motor severity. Conclusions: 18F-AV-1451 asymmetrically binds to motor-related subcortical gray and white matter structures in patients with CBS. This pattern corresponds to tau pathology distribution in postmortem studies, and motor deficit in patients with CBS may be associated with tau accumulation predominantly in the subcortical white matter underlying the motor cortex, leading to disruptions in motor-related networks.

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