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不同病变恶性程度胶质瘤患者的MRI影像学特征分析及其诊断价值

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摘要 目的:分析不同病变恶性程度胶质瘤患者的磁共振成像(MRI)影像学特征及其诊断价值。方法:选取本院2017-01~2022-05收治的66例胶质瘤患者,对其临床资料进行分析,患者均实施MRI检查和病理检查。以病理检查结果为“金标准”,分析不同病变恶性程度胶质瘤MRI影像学特征并计算其诊断敏感度、特异度、准确度。结果:66例胶质瘤中,低级别胶质瘤为18.18%(12/66),高级别胶质瘤81.82%(54/66);MRI检查诊断66例胶质瘤中,低级别胶质瘤19.70%(13/66),高级别胶质瘤80.30%(53/66)。低级别胶质瘤在MRI中影像学特征为不规则团片状,T1WI序列低信号,T2WI序列高信号,FLAIR序列低、高信号,DWI序列稍高信号,增强T1WI序列存在斑片状轻度强化阴影区,且无或轻度水肿,脑中线无明显偏移,占位征象轻度;高级别胶质瘤在MRI中影像学特征为类圆形信号影,T1WI序列等低信号,T2WI序列等、稍高信号,FLAIR序列等、稍高信号,DWI序列高、低信号混杂,增强T1WI序列存在斑片状无强化区,存在明显水肿,脑中线明显偏移,占位征象明显。MRI诊断不同病变恶性程度胶质瘤的敏感度为91.67%(11/12),特异度为96.30%(52/54),准确度为95.45%(63/66),阳性预测值为84.62%(11/13),阴性预测值为98.11%(52/53),Kappa值为0.852。结论:不同病变恶性程度胶质瘤在MRI检查中均存在明显影像学特征,MRI诊断价值高。
出处 《黑龙江医药科学》 2023年第3期112-114,共3页 Heilongjiang Medicine and Pharmacy
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