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Year : 2014  |  Volume : 62  |  Issue : 3  |  Page : 257--261

Characteristics of CADASIL in Chinese mainland patients

Department of Neurology, The Chinese Peoples' Liberation Army General Hospital, Beijing, China

Correspondence Address:
Jia-Tang Zhang
Department of Neurology, The Chinese Peoples' Liberation Army General Hospital, 28 Fu Xing Road, Hai Dian District, Beijing 100853
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0028-3886.136900

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Background: Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) has been reported in many geographical regions. However, relatively few reports about CADASIL in Chinese were reported. Materials and Methods: We retrospectively collected and analyzed clinical characteristics, magnetic resonance (MRI) features and genetic data of 52 Chinese mainland CADASIL patients. Results: Mean age of onset was 42.43 years. The primary clinical manifestations included: Ischemic stroke/transient ischemic attack (62.5%), primary intracerebral hemorrhage (25%), vertigo (25%), migraine (39.58%), dementia (18.75%) and emotional disturbance (20.83%). The most frequently observed MRI abnormalities were hyperintensity in the cerebral white matter on T2-weighted images and multiple infarcts, high-signal lesions on T2 images in anterior temporal lobes and external capsule were uncommon. The highest mutation frequency was in exon regions, 4 and 3, followed by exon 11. Granular osmiophilic material (GOM) was identified in 66.67% of the cases examined with biopsy. Conclusions: Most characteristics of Chinese mainland CADASIL patients are similar to those of CADASIL patients living in other regions. However, the prevalence of primary intracerebral hemorrhage and vertigo is much higher in Chinese mainland CADASIL patients. Significant leukoaraiosis in anterior temporal poles on T2-weighted image are uncommon. Exons 3 and 4 are the mutation hotspots.


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