腮腺多形性腺瘤和沃辛瘤的超声特征对比分析

Oncoradiology(2022)

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Abstract
目的:探讨超声鉴别诊断腮腺多形性腺瘤和沃辛瘤(Warthin tumor,WT)的临床价值.方法:回顾并分析经超声检查并经手术后病理学检查确诊的45例腮腺多形性腺瘤和71例腮腺WT患者资料,选择两组患者的性别、年龄、是否多发、病灶长径、短径、长短径之比、形态、边界、内部回声高低、内部回声均匀性、囊病变、网状条索、钙化、后方回声和血流分级等指标,通过绘制受试者工作特征(receiver operating characteristic,ROC)曲线分析超声指标对腮腺WT的诊断效能.结果:两组患者在性别、年龄、是否多发、病灶长径、长短径之比、形态、内部回声高低、内部回声均匀性、囊性变、网状条索、后方回声和血流分级指标上差异有统计学意义(P<0.05).根据曲线下面积(area under the curve,AUC)筛选出鉴别诊断价值最高的3项超声特征分别为网状条索、血流分级和长短径之比.网状条索诊断WT的灵敏度68.49%,特异度95.56%,AUC为0.820;血流分级诊断WT的灵敏度76.56%,特异度71.43%,AUC为0.740;长短径之比以1.51为截断值,诊断WT的灵敏度65.80%,特异度80.00%,AUC为0.708.结论:腮腺多形性腺瘤和WT的超声表现具有显著差异,特别是当肿瘤内出现网状条索、血流分级为Ⅱ~Ⅲ级、长短径之比大于1.51时,应考虑可能为WT.
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