New MRI features, especially from T2-weighted images, are promising for more reliable and accurate interpretation of breast lesions. Prospective studies of these findings are required to define cut-off values and test clinical practicality.

Phyllodes breast tumors and other fibroadenomas cannot be precisely differentiated on breast MRI. Phyllodes tumors have benign morphologic features and contrast enhancement characteristics suggestive of malignancy in 33% of cases.

Patients with abnormal breast findings ( n = 413) were examined by mammography, sonography and magnetic resonance (MR) mammography; 185 invasive cancers, 38 carcinoma in situ and 254 benign tumours were confirmed histologically. Sensitivity for mammography was 83.7%, for sonography it was 89.1% and for MR mammography it was 94.6% for invasive cancers. In 42 patients with multifocal invasive cancers, multifocality had been detected by mammography and sonography in 26.2%, and by MR mammography in 66.7%. In nine patients with multicentric cancers, detection rates were 55.5, 55.5 and 88.8%, respectively. Carcinoma in situ was diagnosed by mammography in 78.9% and by MR mammography in 68.4% of patients. Combination of all three diagnostic methods lead to the best results for detection of invasive cancer and multifocal disease. However, sensitivity of mammography and sonography combined was identical to that of MR mammography (ie 94.6%).

Purpose:To assess the joints of the pelvic ring postpartum and to discern normal postpartum findings and pathologic lesions using MRI. Materials and Methods:MR images were obtained in six women with severe pelvic ring pain after delivery, in 13 women after uncomplicated vaginal delivery, and in 11 healthy, nulliparous non-pregnant volunteers. Distances of the pubic gap, signal intensities of the pubic cartilage, and signal changes of the pelvic ring bones were determined and evaluated.Results: Both postpartum groups had significantly larger distances of the interpubic gap compared to the nulliparous group (P ϭ 0.0002). The mean signal intensity of cartilage of the symphysis pubis was significantly different on the T1-weighted and T2-weighted MR images in postpartum women compared to nulliparous women (P ϭ 0.001), indicating a higher water content of the pubic cartilage. 13 of all 19 postpartum women had bruises of parasymphyseal pubic bones. One pubic symphysis rupture and one sacral stress fracture were detected in two symptomatic women. Conclusion:MR imaging is a useful adjunct to clinical examination to identify patients with lesions of the pelvic ring postpartum. MRI of the pelvic ring of asymptomatic postpartum women can demonstrate signal changes of the pubic cartilage and small bruises of the pubic bones.

The application of a second evaluation method in those cases remaining unclear in Göttingen score can lead to a decrease of uncertainty and a higher sensitivity and specificity of diagnosis in MR mammography. In this study, Göttingen score reaches a sensitivity of 83.1% and a specificity of 58.8%, increasing to a sensitivity of 97% and a specificity of 76.5% when being extended by a second evaluation method in unclear cases.