Importance of Routine Cavity Sampling in Breast Conservation Surgery

Hewes, J.C. and Imkampe, A.K. and Haji, A. and Bates, T. (2009) Importance of Routine Cavity Sampling in Breast Conservation Surgery. British Journal of Surgery, 96 (1). pp. 47-53. ISSN 1365-2168. (Access to this publication is restricted)

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http://dx.doi.org/10.1002/bjs.6435

Abstract

Background: The role of cavity biopsy (CB) at the time of wide local excision (WLE) for primary breast cancer has not been evaluated fully. This study compared four groups of patients to determine the significance of margins and CB histology on tumour characteristics and outcome. Methods: This was a retrospective study of patients undergoing WLE and CB in one institution over 21 years. Demographic data, tumour characteristics and survival information were obtained. Four subgroups of patients were compared according to their margin and cavity status (positive or negative). Results: A total of 957 patients had WLE. The median 10-year survival was 85·6 per cent and breast cancer-specific survival was 92·4 per cent. Tumour size, grade, node and oestrogen receptor status were independent predictors of survival. There was poor concordance between positivity of resection margins and CB (32·0 per cent); a negative margin carried a 10·8 per cent risk of demonstrable residual disease. A positive CB, but not a positive margin, was associated with reduced overall survival and breast cancer-specific survival. Conclusion: Cavity status wasmore significant with regard to survival than margin status.CB is important in identifying residual and multifocal disease, as margin and cavity positivity are often not concordant.

Item Type: Article
Subjects: R Medicine > RD Surgery
R Medicine
Divisions: Faculties > Social Sciences > Centre for Professional Practice
Depositing User: Tom Bates
Date Deposited: 29 Jun 2011 13:19
Last Modified: 27 Jun 2012 09:42
Resource URI: http://kar.kent.ac.uk/id/eprint/23622 (The current URI for this page, for reference purposes)
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