ArticleAnnals of surgical oncology2025
Nipple Discharge and Pathologic Involvement of the Nipple-Areolar Complex: Reconsidering Guidelines for Nipple-Sparing Mastectomy.
Article in Annals of surgical oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
BACKGROUND*: The association between nipple discharge (ND) and pathologic involvement of the nipple-areolar complex (NAC) is not known despite the contraindication of ND to nipple-sparing mastectomy (NSM). This study aimed to determine the rate of pathologic NAC involvement in breast cancer patients with ND.
methodsThis study retrospectively examined all simple and skin-sparing mastectomy cases between January 2000 to December 2023 at a single institution. Clinical and pathologic data including ND, imaging findings, and pathologic involvement of the NAC were collected. Descriptive statistics were used to characterize the study cohort. A tumor-nipple distance of ≤1 cm was defined as a predictor of NAC involvement.
resultsA final cohort of 93 (3.6 %) ND cases were reviewed from 2611 cases of simple or skin-sparing mastectomies. Of the 93 cases, 34 (36.5 %) had pathologic NAC involvement, and 40 (43 %) patients met the institutional selection criteria for NSM, 3 (7.5 %) of whom had pathologic NAC involvement. Prediction of pathologic NAC involvement by MRI had a sensitivity of 88.9 % and a specificity of 80.0 % (OR, 32.0; 95 % confidence interval [CI], 8.7-161; p < 0.001). In addition, MRI was considered a statistically significant predictor of pathologic NAC involvement in uni- and multivariate analyses (p < 0.001 for both).
conclusionAmong breast cancer patients presenting with ND but without pathologic NAC involvement on physical exam, approximately two thirds did not have pathologic NAC involvement on surgical pathology. Guidelines that include ND as a contraindication to NSM could be reconsidered in highly selected cases.
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