Magnetic resonance (MR) imaging of the breast has shown promise in the diagnosis of breast lesions. In prior studies the time of MR examination in the menstrual cycle was not taken into account. If alterations in transverse relaxation time (T2) values of ductal tissue did occur during the menstrual cycle, they would have a significant bearing on the timing of MR studies of the breast. This study demonstrated no apparent alteration in T2 values during the menstrual cycle of normal young volunteers.
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Martin et al. (1986) studied this question.