Hyperintense globus pallidus rim sign could be a novel hallmark of Wilson disease at 7T MRI: a pilot case-control study
Su Dongning1,2, Zhang Zhe2,3, Zhang Zhijin1,2, Zhu Wanlin2,3, Sui Binbin2,3, Zhang Yingkui2,3, Bi Jingfeng2,3, Kong Qingle 3,4, Gan Yawen1,2, Yan Rui1,2, Wang Xuemei1,2, Wang Zhan1,2, Wang Yongjun 1,2,3, Wu Tao1,2, Jing Jing1,2,3, and Feng Tao1,2
1Department of Neurology, Beijing Tiantan Hospital,Captital Medical University, Beijing, China, 2China National Clinical Research Center for Neurological Diseases, Beijing, China, 3Tiantan Neuroimaging Center of Excellence, Beijing Tiantan Hospital, Capital Medical University, Beijing, China, 4MR Collaboration, Siemens Healthineers Ltd., Beijing, China
To explore specific neuroimaging characteristics of iron deposition in WD, we conducted a small sample, prospective case-control study to compare the 7T MRI manifestation of iron deposition in the basal ganglia among PD, WD patients and healthy controls. The hyperintense globus pallidus rim sign could be a specific neuroimaging characteristic of WD in 7T T2*-weighted and SWI images, which may be related to the unique iron deposition pattern in the striatum in WD patients. Internal capsule appears to be hyperintensity with a clear border only observed in WD patients. These findings have the potential to provide diagnostic biomarkers for WD.
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