1/14/2024 0 Comments Bi rads 2 benign findingsThe high negative predictive value of this technique can avoid unnecessary biopsies or surgical treatments. MRM is a sensitive method to differentiate recurrence from post-treatment changes at the prior lumpectomy site after conservative surgery and radiation therapy. The overall sensitivity, specificity, positive predictive value and negative predictive value of MRM for detection of breast malignancy were 93.8%, 90%, 62.5% and 98.8%, respectively. MRM detected 13 lesions remote from the scar. MRM showed 90% sensitivity, 91.6% specificity, 56.3% positive predictive value and 98.7% negative predictive value for detection of recurrence on the surgical scar. MRM findings were compared with histology in 29 patients and with a 36-month follow-up in 64 patients. Enhancing areas independent of the prior lumpectomy site, incidentally detected during the MRM, were also evaluated. MRM diagnosis was compared with histology or with a 36-month imaging follow-up. MRM scans were evaluated by morphological and dynamic characteristics. Methodsīetween April 1999 and July 2003, 93 consecutive patients with breast cancer treated with conservative surgery and radiotherapy underwent MRM, when a malignant lesion on the site of lumpectomy was suspected by ultrasound and/or mammography. The aim was to assess the value of magnetic resonance mammography (MRM) in the detection of recurrent breast cancer on the prior lumpectomy site in patients with previous conservative surgery and radiotherapy.
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