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A Comparative Study Between Pathology and CT Classified Patterns and Diagnosis of the Golioma of the Brain (A Report of 70 Cases)
Author(s): 
Pages: 743-745
Year: Issue:  9
Journal: JOURNAL OF PRACTICAL RADIOLOGY

Keyword:  胶质瘤体层摄影X线计算机病理学;
Abstract: 目的探讨脑胶质瘤的CT诊断、分型与病理之间的相关性.方法搜集经CT诊断及手术病理证实的脑胶质瘤70例,均行CT平扫及增强扫描和病理细胞学检查,将CT表现与病理结果进行对照分析.结果 (1)本组CT诊断正确率为85.7%.(2)作者根据CT表现结合形态提出了脑胶质瘤的CT分型.Ⅰ型(低密度无强化型)16例,仅见于Ⅰ~Ⅱ级星形细胞瘤和少突胶质细胞瘤,后者常伴有弯曲条带状钙化或成簇点状钙化为其特征,本组占33%(3/9).Ⅱ型(环形强化型)13例,多见于Ⅱ、Ⅲ、Ⅳ级星形细胞瘤,可见壁结节为其特征,占53.8%(7/13).主要病理改变为肿瘤内部坏死所致,少数为囊变.Ⅲ型(结节及团块型)31例,见于各种类型的脑胶质瘤,是髓母细胞瘤和室管膜瘤典型的CT表现.Ⅳ型(混合型)10例,为恶性胶质瘤的CT表现.(3)本组结果表明Ⅰ~Ⅱ级星形细胞瘤其水肿、占位效应以及强化程度以无或轻度为主,Ⅲ、Ⅳ级星形细胞瘤则以中或重度为主,两者均有显著差异.(4)从肿瘤细胞学水平分析了脑胶质瘤的CT表现,为CT分型提供了病理学依据.结论 CT表现及分型可以反映脑胶质瘤的某些病理特征和间变情况,对其分级有重要参考价值.
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