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首页> 外文期刊>The journals of gerontology.Series A. Biological sciences and medical sciences >Superficial siderosis revealed by isolated cognitive impairment.
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Superficial siderosis revealed by isolated cognitive impairment.

机译：单纯的认知障碍揭示出表面的铁屑病。

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摘要

Superficial siderosis (SS) is a rare disorder due to chronic bleeding into the subarachnoid or intraventricular space. The most common clinical presentation is progressive ataxia and hearing loss. The authors report two patients who presented with dementia as the primary manifestation of SS. The cognitive impairment marked by cortical frontotemporoparietal dysfunction was consistent with the pattern of signal abnormalities seen on brain magnetic resonance imaging (MRI). Diagnosis of SS must be considered when T2*-weighted MRI shows typical signal hypointensity outlining the brain and spinal cord surfaces. Performing such MRI sequences appears to be of particular interest in the context of dementia etiological diagnosis.
机译：由于慢性出血进入蛛网膜下腔或脑室内间隙，表面性铁症病（SS）是一种罕见的疾病。最常见的临床表现是进行性共济失调和听力下降。作者报告了两名以痴呆为主要表现的痴呆患者。以皮质额颞叶顶功能障碍为特征的认知障碍与在脑磁共振成像（MRI）上看到的信号异常模式一致。当T2 *加权MRI显示典型的信号低强度勾勒出大脑和脊髓表面的轮廓时，必须考虑对SS的诊断。在痴呆病因学诊断的背景下，执行此类MRI序列似乎特别有意义。

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