Preoperative MRI evaluation of lesion–nipple distance in breast cancer patients: thresholds for predicting occult nipple–areola complex involvement

To identify clinically occult nipple–areola complex (NAC) involvement using preoperative magnetic resonance imaging (MRI), to inform selection of patients eligible for nipple-sparing mastectomy (NSM) or skin-sparing mastectomy (SSM). This was a retrospective study of 195 patients, who had preoperati...

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Published in:Clinical radiology 2018-08, Vol.73 (8), p.735-743
Main Authors: Mariscotti, G., Durando, M., Houssami, N., Berzovini, C.M., Esposito, F., Fasciano, M., Campanino, P.P., Bosco, D., Bussone, R., Ala, A., Castellano, I., Sapino, A., Bergamasco, L., Fonio, P., Gandini, G.
Format: Article
Language:English
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Summary:To identify clinically occult nipple–areola complex (NAC) involvement using preoperative magnetic resonance imaging (MRI), to inform selection of patients eligible for nipple-sparing mastectomy (NSM) or skin-sparing mastectomy (SSM). This was a retrospective study of 195 patients, who had preoperative breast MRI (February 2011 to January 2017) before undergoing surgical treatments (NSM or SSM) for newly diagnosed breast cancer. Tumour features at MRI (mass or non-mass lesion, diameter, lesion–NAC distance [LND]) and pathology (lesion diameter, histopathological type, receptor status) were recorded, as well as the type of surgery (NSM/SSM) and presence (NAC+) or absence (NAC–) of tumour at intraoperative evaluation of retroareolar tissue. Mann–Whitney test, Fisher's exact test, logistic regression, and receiver operating characteristic (ROC) curve analysis were used for analysis of NAC+ versus NAC– to assess variables that predict NAC tumoural involvement. Over the study period, NAC+ was proven histologically in 71/200 (35.5%) surgical treatments, while there were 129/200 NAC– (72 NSM and 128 SSM performed). LND at MRI was statistically (p
ISSN:0009-9260
1365-229X
DOI:10.1016/j.crad.2018.03.008