Imaging features of 94 patients with different pathological types of breast cancer on 3.0T MRI

Objective To analyze the MR features of different pathological types of breast cancer.Methods A total of 94 patients with different pathological types of breast cancer confirmed with surgery and pathology were reviewed.The preoperative morphology,enhancement features and dynamic contrast-enhanced time-intensity curve(TIC)types were described.Results The pathological diagnosis of 94 patients included 11 ductal carcinoma in situ(DCIS),5 invasive ductal carcinoma grade Ⅰ(IDCG Ⅰ),44 invasive ductal carcinoma grade Ⅱ(IDCG Ⅱ),20 invasive ductal carcinoma grade Ⅲ(IDCG Ⅲ)and 14 other pathological types.All the DCIS evenly enhanced,and 8(72.73%)of them showed multiple nodules,flakes enhancement along the duct or in lobular distribution.For 5 patients of IDCG Ⅰ,TIC type of 4 patients was speed up slow down type,in which 3 were irregular shape and 3 evenly enhanced.For IDCG Ⅱ,32(72.73%)were lobulated or lobulated with burr;28(63.64%)evenly enhanced;TIC showed a rapid rise to a peak followed by a slow decline in 26 patients,and a rapid rise followed by a plateau in 10 patients.For IDCG Ⅲ,lobulation and irregular shape were found in 18 patients,evenly enhanced in 9 and peripherally enhanced in 7.TIC showed rapid rise followed by slow decline in 10 patients,while in 8 patients TIC curve was described as rapid rise followed by a plateau combined with rapid rise followed by slow decline.Conclusion Although MR performance of breast cancer is complex and diverse,there is certain characteristics for different pathological types of breast cancer on 3.0T MR.