MSCT联合DCE-MRI定量参数鉴别腮腺肿瘤类型的价值观察  

Value of MSCT Combined with DCE-MRI Quantitative Parameters in the Identification of Types of Parotid Tumors

作　　者：徐艾军 杨志 邱洪全 宋向丽 路大鹏[2] 赵卫林[2] XU Ai-jun;YANG Zhi;QIU Hong-quan(Department of Radiology,Second and Third Hospital of Yanjiao Sanhe City,Sanhe 065201,Hebei Province,China)

机构地区：[1]河北省三河市燕郊二三医院放射科,河北三河065201 [2]河北省民政总医院放射科,河北邢台054000

出　　处：《中国CT和MRI杂志》2020年第2期81-83,共3页Chinese Journal of CT and MRI

基　　金：河北省科技计划项目(16277789D)。

摘　　要：目的探讨多层螺旋体层摄影(MSCT)联合动态对比增强-磁共振成像(DCE-MRI)鉴别诊断腮腺肿瘤的临床价值。方法回顾性分析130例腮腺肿瘤患者临床资料,根据切除术中组织病理学活检结果分为多形性腺瘤组(n=78)与腺淋巴瘤组(n=52)。比较两组肿瘤MSCT平均组织密度及DCE-MRI定量参数[转运常数(Ktrans)、速率常数(Kep)]差异,以受试者工作特征(ROC)曲线分析联合诊断效能。结果两组平均密度组织比较无统计学意义(P>0.05),多形性腺瘤组肿瘤Ktrans、Kep水平均明显低于腺淋巴瘤组(P<0.05)。MSCT联合DCE-MRI定量参数鉴别诊断腮腺肿瘤曲线下面积(AUC)为0.701,敏感度与特异度分别为0.462、0.885,诊断准确率为71.54%。结论 MSCT联合DCE-MRI定量参数能较为准确鉴别诊断腮腺多形性腺瘤与腺淋巴瘤,临床应用价值较高。Objective To explore the clinical value of multi-slice spiral computed tomography(MSCT) combined with dynamic contrast-enhanced magnetic resonance imaging(DCE-MRI) in the differential diagnosis of parotid tumors. Methods The clinical data of 130 patients with parotid tumors were retrospectively analyzed. According to the pathological biopsy results of intraoperative tissues resection, the patients were divided into pleomorphic adenoma group(n=78) and adenolymphoma group(n=52). The MSCT mean tissue density and DCE-MRI quantitative parameters [constant transfer(Ktrans), rate constant(Kep)] were compared between the two groups, and the combined diagnostic efficacy was analyzed by receiver operating characteristic(ROC) curve. Results There was no significant difference in the mean tissue density between the two groups(P>0.05), and the Ktrans and Kep levels in pleomorphic adenoma group were significantly lower than those in adenolymphoma group(P<0.05). The area under the curve(AUC), sensitivity, specificity and diagnostic accuracy rate of MSCT combined with DCE-MRI quantitative parameters were 0.701, 0.462, 0.885 and 71.54% respectively in the differential diagnosis of parotid tumors. Conclusion MSCT combined with DCE-MRI quantitative parameters can accurately distinguish and diagnose parotid pleomorphic adenoma and adenolymphoma, and it has high clinical application value.

关 键 词：多层螺旋体层摄影 动态对比增强 磁共振成像 鉴别诊断 腮腺肿瘤 

分 类 号：R739.81[医药卫生—肿瘤] R445.2[医药卫生—临床医学]