3.0T多参数MRI在鉴别腮腺基底细胞腺瘤和多形性腺瘤中的诊断价值  

Diagnostic value of 3.0T multiparametric MRI for discriminating parotid basal cell adenoma from pleomorphic adenoma

作　　者：程景风 郑宁[2] 邵硕[2] 刘文娟[2] 齐先龙[2] 薛晓丽 CHENG Jingfeng;ZHENG Ning;SHAO Shuo;LIU Wenjuan;QI Xianlong;XUE Xiaoli(the Clinical College of Jining Medical University,Jining,Shandong Province 272000,China;Department of Radiology,Jining First People's Hospital,J ining,Shandong Province 272000,China)

机构地区：[1]济宁医学院临床医学院,山东济宁272000 [2]济宁市第一人民医院放射科,山东济宁272000

出　　处：《实用放射学杂志》2020年第4期550-553,共4页Journal of Practical Radiology

摘　　要：目的探讨3.0T多参数MRI对腮腺基底细胞腺瘤(BCA)和多形性腺瘤(PA)的鉴别诊断价值.方法回顾性分析经组织病理学证实的38例BCA和38例PA的临床及MRI影像资料.总结发病年龄、位置、大小、形状、包膜等特点,测量和分析2组病灶的ADC值,并采用ROC曲线评价其诊断效能,同时分析肿瘤的TIC类型.结果38例BCA、PA均为单发,BCA好发年龄稍高于PA(P<0.001),而PA浅分叶出现率高于BCA(P<0.05);BCA的平均ADC值(1.23±0.14)×10^-3mm^2/s明显低于PA的平均ADC值(1.67±0.36)×10^-3 mm^2/s(P<0.001);以ADC值1.39×10^-3mm^2/s为阈值,诊断BCA的敏感性89.5%,特异性84.2%,AUC为0.893.8例BCA行动态增强扫描,TIC呈B型4例、C型4例.18例PA行动态增强扫描,TIC呈A型14例、C型4例.结论ADC值和TIC类型有助于鉴别腮腺BCA与PA,BCA平均ADC值低于PA,TIC呈A型,提示为PA;TIC呈B型,提示为BCA.Objective To investigate the diagnostic value of 3.0T multiparametric MRI in differentiating between parotid basal cell adenoma(BCA)and pleomorphic adenoma(PA).Methods The clinical and MRI findings data of 38 patients with BCA and 38 patients with PA confirmed by histopathology were analyzed retrospectively.The age,location,size,shape,and capsule of the lesions were summarized.ADC value was measured and analyzed between BCA and PA.ROC curve analysis was performed to assess the diagnostic performance of ADC.TIC type was also analyzed.Results 38 cases with BCA and 38 cases with PA were all solitary.The average age of BCA was slightly higher than that of PA(P<0.001),and PA tended to be tabulated than BCA(P<0.05).The mean ADC values of BCA[(1.23±O.11)×10^-3mm^2/s]were significantly lower than that of PA[(1.67±0.36)×10^-3mm^2/s](P<0.001).The threshold value was set to 1.39×10^-3mm^2/s for ADC,the sensitivity and specificity of 89.5%and 81.2%were obtained,respectively.The AUC was 0.893.In the dynamic contrast-enhanced MR images of 8 BCA and 18 PA,4 BCA had type B curve,and 4 BCA had type C curve.14 PA had type A curve,and 4 PA had type C curve.Conclusion ADC and TIC types appear to be useful in distinguishing BCA from PA.The mean ADC value of BCA is lower than that of PA,type A TIC suggests PA;type B TIC suggests BCA.

关 键 词：腮腺肿瘤 基底细胞腺瘤 多形性腺瘤 磁共振成像 

分 类 号：R739.91[医药卫生—肿瘤] R445.2[医药卫生—临床医学]