全数字化乳腺摄影与MRI对乳腺恶性病变诊断的对比分析

目的 探讨乳腺癌全数字化乳腺摄影(full-field digital mammography,FFDM)与乳腺MRI的影像学表现,评价其对乳腺癌的诊断价值.方法 收集68例经穿刺或手术病理证实的乳腺癌病例,对比分析其X线摄影及MRI表现.全数字化乳腺摄影采用常规方法摄片,MRI采用自旋回波T1WI,T2WI序列及动态增强扫描等.结果 68例乳腺恶性肿瘤中,浸润性导管癌57例,浸润性小叶癌3例,叶状囊肉瘤1例,血管肉瘤1例,导管内癌2例,炎性乳癌2例,印戒细胞癌1例,Paget's病1例.乳腺X线摄影诊断正确61例,诊断准确率89.7％.MRI诊断正确66例,诊断准确率97.1％.结论 乳腺X线摄影是乳腺恶性病变的首选检查方法,MRI能更多的显示乳腺病灶的内部特征,二者联合应用对乳腺癌的临床诊断具有重要意义.

Correlative analysis of full-field digital mammography and MRI findings of breast malignant lesions

Objective To study the imaging and to evaluate the diagnostic value of breast malignant lesions with full-field digital mammography(FFDM) and MRI.Methods We collected 68 cases of breast cancer,which were certified by paracentesis,and pathology,and compared the X-ray and MRI features.Routine photographs were used in FFDM.MRI scanning sequences included T1WI,T2WI and enhanced MRI etc.Results Of the 68 cases,57 were infiltrating Duct Carcinoma,3 were infiltrating lobular carcinoma,1 was Cystosarcoma Phyllodes,1 was angiosarcoma,2 were intraducteal carcinoma,2 were inflammatory breast cancer,1 was Signal ring cell carcinoma,and 1 was Paget’s disease.61 cases were found by FFDM,and its invasion hump and malignant calcification were shown,and its accurate proportion was 89.7%.66 cases were found by MRI,and its accurate proportion was 97.1%.Conclusion X-ray mammography was the first choice of imaging examination modalities for breast malignant lesions,and interior feature of malignant breast lesions could be clearly shown by MRI.FFMD in combination with MRI is an important modatity in the diagnosis of breast cancer.