MRI功能成像对原发性输卵管癌的诊断价值  

Value of MRI functional imaging to the diagnosis of primary fallopian tube cancer

作　　者：邢庆娜[1] 赵鑫[1] 陆林[1] 窦豆 刘真真[1] 张同贞[1] 张小安 XING Qing-na;ZHAO Xin;LU Lin;DOU Dou;LIU Zhen-zhen;ZHANG Tong-zhen;ZHANG Xiao-an(Department of Medical Imaging,the Third Affiliated Hospital of Zhengzhou University,Zhengzhou,Henan 450052,China;Henan University of Science and Technology,Luoyang,Henan 471000,China)

机构地区：[1]郑州大学第三附属医院医学影像科,河南郑州450052 [2]河南科技大学,河南洛阳471000

出　　处：《中华实用诊断与治疗杂志》2021年第11期1111-1114,共4页Journal of Chinese Practical Diagnosis and Therapy

基　　金：河南省重大科技专项计划项目(201300310800)。

摘　　要：目的分析原发性输卵管癌患者MRI功能成像的影像特征,探讨MRI功能成像对原发性输卵管癌的诊断价值。方法16例原发性输卵管癌患者均行手术治疗,术前行盆腔MRI平扫、动态增强成像及弥散加权成像。分析16例患者的MRI影像特征;以术后组织病理检查结果为金标准,评估MRI平扫、MRI平扫结合动态增强及弥散加权成像诊断原发性输卵管癌的准确率。结果16例患者中单侧肿瘤14例,双侧肿瘤2例。MRI显示肿瘤形态呈腊肠状11个,附壁结节状5个,不规则状2个;肿瘤成分呈囊实性13个,其内实性成分弥散明显受限,表观弥散系数为(0.81±0.02)×10^(-3)mm^(2)/s;呈实性5个,实性成分信号均匀,表观弥散系数为(0.75±0.02)×10^(-3)mm^(2)/s;14个肿瘤边缘窄带状显著强化。MRI平扫术前准确诊断原发性输卵管癌10例,诊断准确率为62.5%;MRI平扫结合动态增强及弥散加权成像术前准确诊断原发性输卵管癌12例,诊断准确率为75.0%。结论MRI平扫结合动态增强及弥散加权成像诊断原发性输卵管癌准确率较高,肿瘤边缘窄带状显著强化是原发性输卵管癌的特征性MRI影像表现。Objective To analyze the MRI functional imaging characteristics of primary fallopian tube cancer(PFTC),and to explore the value of MRI functional imaging to the diagnosis of PFTC.Methods Sixteen patients with PFTC underwent conventional pelvic MRI scan,dynamic enhanced imaging and diffusion-weighted imaging(DWI)before operation.The image characteristics were analyzed.With histopathological examination result as the gold standard,the accuracies of MRI plain scan,and MRI plain scan combined with dynamic enhanced imaging and DWI in the diagnosis of PFTC were analyzed.Results Among 16 patients,14 were unilateral and 2 were bilateral.The tumor morphology showed 11 sausage-shaped lesions,5 mural-shaped nodules,and 2 irregular lesions.The tumor components were 13 cystic lesions with obviously limited diffused internal components,and the apparent diffusion coefficient was(0.81±0.02)×10^(-3)mm^(2)/s;and another 5 solid components with uniform solid component signals,and the average apparent diffusion coefficient was(0.75±0.02)×10^(-3)mm^(2)/s.Fourteen tumors showed narrow band-like enhancements at the edge.Ten cases of PFTC were diagnosed by conventional MRI before operation,with a diagnostic accuracy rate of 62.5%.Conventional MRI combined with dynamic enhanced imaging and DWI diagnosed PFTC in 12 cases before operation,with a diagnostic accuracy of 75.0%.Conclusion Conventional plain MRI combined with dynamic enhanced imaging and DWI has a high accuracy in diagnosing PFTC,and the narrow band of tumor edge enhancement is a characteristic MRI image of PFTC.

关 键 词：原发性输卵管癌 MRI 弥散加权成像 窄带状显著强化 

分 类 号：R445.2[医药卫生—影像医学与核医学] R737.32[医药卫生—诊断学]