• Delphine Héquet, Alexandre Bricou, Yann Delpech, and Emmanuel Barranger.
• Obstetrics and Gynecology Department, Lariboisière Hospital, Assitance Publique-Hôpitaux de Paris, Paris, France.
• Ann. Surg. Oncol. 2011 Jan 1; 18 (1): 114-8.

BackgroundPositive wide local excision margins are the most important risk factor of local breast-carcinoma recurrence. Shaving additional margins could lower the need for re-excisions when wide local excision margins are positive and cavity margins are negative.Materials And MethodsThis retrospective study, from January 2007 to December 2008, included 99 women with breast carcinomas who underwent wide local excision with 4 additional, systematically shaved, surgical cavity margins. All therapeutic decisions concerning post-wide local excision treatment were made by consensus during multidisciplinary meetings.ResultsThis systematic cavity-shaving strategy avoided 25 re-excisions (25.3%), and 6 patients required new surgery because of carcinoma found in the additional cavity-shaving margins, despite negative wide local excision margins. No preoperative factor predictive of positive cavity margins was identified.ConclusionsSystematic shaving of additional cavity margins changed the surgical management after breast-conservation treatment.

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