Is the performance of MRI in preoperative staging of breast cancer independent of clinical and histological factors?
MRI is better than mammography and better than ultrasonography for establishing the size of the tumor and for detecting additional lesions. Our results did not identify any subgroups in which the technique was more useful.
The ability to predict macrosomia is limited. The predictive value of clinical estimation of fetal weight alone may be slightly higher than when it is combined with ultrasonography. Because most cases of shoulder dystocia and birth trauma occur in nonmacrosomic infants, these conditions are practically impossible to prevent.