The impact of mammographic screening on the surgical management of breast cancer.

J Surg Oncol 2016 Apr 22;113(5):496-500. Epub 2016 Jan 22.

College of Medicine, University of Vermont, Burlington, Vermont.

Background And Objectives: Mammographic screening has been shown to result in downward stage migration, reflected by smaller tumor sizes and less extensive nodal involvement. National guidelines restrict screening recommendations in women age 40-49. The purpose of this study is to evaluate the specific impact of mammographic screening patterns on the surgical management of breast cancer in women aged 40-49.

Methods: The study is a population-based retrospective review of the Vermont Breast Cancer Surveillance System of women aged 40-49 with a diagnosis of breast cancer. Tumor stage and related characteristics at the time of diagnosis, as well as the type of surgical intervention performed were recorded for women presenting with screen-detected versus non-screen-detected breast cancer.

Results: Screen-detected breast cancers in women aged 40-49 were associated with a greater incidence of DCIS, smaller invasive tumor size, fewer cases of positive nodes, and higher rates of breast conservation compared to non-screened women presenting with symptomatic disease.

Conclusions: Mammographic screening is associated with less aggressive surgical treatment of breast cancer including higher rates of breast conservation. The observed changes in surgical management should factor into individual decision-making regarding screening mammography. J. Surg. Oncol. 2016;113:496-500. © 2016 Wiley Periodicals, Inc.

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Source
http://dx.doi.org/10.1002/jso.24184DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4844800PMC
April 2016

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