原发性输卵管癌的MRI表现与误诊分析  

MRI characteristics and misdiagnosis analysis of primary fallopian tube carcinoma

作　　者：杨艺 郭轶[2] 刘历 

机构地区：[1]重庆市渝北区人民医院放射科,重庆401120 [2]重庆市急救医疗中心放射科,重庆400016

出　　处：《实用放射学杂志》2018年第2期253-255,共3页Journal of Practical Radiology

摘　　要：目的 总结10例原发性输卵管癌（PFTC）的MRI表现特征，分析误诊原因，提高诊断水平。方法 回顾性分析10例经手术病理证实的PFTC患者的MRI资料，对肿瘤形态、信号、强化特点及毗邻等影像学表现进行分析、讨论。 结果 本组10例PFTC共12个瘤灶，病变均位于附件区，2例为双侧，8例为单侧（右侧2例，左侧6例），均表现为腊肠形肿块。其中，囊实性肿块7例9个，实性肿块3例3个。实性成分均表现为T1WI等或稍低信号，T2WI不均匀稍高信号,扩散加权成像（DWI）序列呈明显高信号；囊性成分呈T1WI低信号，T2WI高信号，其中2例2个肿块囊性成分DWI呈高信号。增强扫描，病灶内实性成分均有强化，囊性成分无强化。术前仅2例MRI正确诊断。结论 MRI检查软组织分辨率高，能清晰显示PFTC癌灶中各种成分，但不论实性与囊性成分构成比例如何，肿瘤始终保持腊肠样形态，并结合临床症状、实验室检查等资料可提高术前诊断准确率，减少误诊发生。Objective To conclude MRI characteristics of primary fallopian tube carcinoma（PFTC）,analyze the reason of misdiagnosis and improve the level of diagnosis. Methods MRI data of 10 patients with pathologically proved PFTC were analyzed retrospectively.The imaging features including tumor morphology,signal,enhancement and adjacent change were analyzed and discussed.Results There were 12 masses or lesions in 10 cases of PF~＇C.The lesions were located in the adnexal area,in which 2 cases were bilateral and 8 cases were unilateral （2 cases on the right side, 6 cases on the left side）.All of them appeared as sausage shaped mass.Among them,9 tumors （7 cases） were cystic solid masses and the other 3 tumors （3 cases） were solid tumor.The solid components showed equal or slightly lower signal on T1WI, signal heterogenieity and slightly higher signal on T2 WI, and high signal on DWI sequence;The cystic component showed low signal on T1 WI, high signal on TzWI, high signal on DWI for 2 tumors （2 cases）.On enhanced scan, the solid components of the lesions were enhanced, but the cystic component was not. Correct diagnosis was made on MRI in only 2 cases before operation. Conclusion MRI high soft tissue resolution,can clear display PFTC carcinoma components in the stove,but no matter how solid and cystic components composition proportion, hump keep sausage sample forms, combined with clinical symptoms and laboratory tests, can improve the accuracy of preoperative diagnosis and reduce misdiagnosis.

关 键 词：原发性输卵管癌 磁共振成像 

分 类 号：R737.32[医药卫生—肿瘤] R445.2[医药卫生—临床医学]