| 小儿21三体综合征的脑部CT表现 |
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| 引用本文： | 吴义忠,陈犇,梁立华.小儿21三体综合征的脑部CT表现[J].临床放射学杂志,1999,0(3):174-175. |
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| 作者姓名： | 吴义忠 陈犇 梁立华 |
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| 作者单位： | 广东医学院附属医院放射科，广东医学院遗传教研室 |
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| 摘 要： | 目的：地小和２１三体综合征脑部ＣＴ表现的认识和诊断。材料与方法；回顾性分析２３例经细胞遗传学检查证实的２１三体综合征的脑部ＣＴ表现，结果：一病的ＣＴ特征为：（１）脑内钙化，多见于基底节区，呈点状或小圆形；（２）侧裂、额顶区蛛网膜下腔增宽；（３）小脑发育不全。结论：本病ＣＴ表现具有一定的特征性，但其ＣＴ诊断须结合细胞遗传学检查确定。
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| 关 键 词： | 21三体综合征 CT 脑 先天愚型 |
Cerebral CT Manifestations of 21 Trisomy Syndrome in Children |
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| Wu Yizhong,Chen Ben,Liang Lihua,et al..Cerebral CT Manifestations of 21 Trisomy Syndrome in Children[J].Journal of Clinical Radiology,1999,0(3):174-175. |
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| Authors: | Wu Yizhong Chen Ben Liang Lihua |
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| Institution: | Wu Yizhong,Chen Ben,Liang Lihua,et al. Department of Radiology,The Affiliated Hospital of Guangdong Medical College,Zhanjiang,Guangdong Province 524001,P.R.China |
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| Abstract: | Objective: To improve the understanding and diagnostic ability of the brain changes in 21 trisomy syndrome.Materials and Methods:Cerebral CT findings in 23 cases with 21 trisomy syndrome, proved by cytogenetics, were retrospectively analyzed.Results:CT findings were as follows: (1) spotty or small round calcifications, mainly seen in basal ganglia area; (2) dilated sylvian fissure and subarachnoid cavity in frontal and parietal lobes; (3) underdevelopment of cerebellum.Conclusion: Cerebral CT findings of 21 trisomy are characteristic, however, cytogenous examination should be conducted in order to confirm the diagnosis. |
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| Keywords: | trisomy syndrome Cerebral CT |
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