• Christopher J Zimmermann, Kristin M Sheffield, Casey B Duncan, Yimei Han, Catherine D Cooksley, Courtney M Townsend, and Taylor S Riall.
• Department of Surgery, University of Texas Medical Branch, Galveston, TX 77555-0541, USA.
• J. Am. Coll. Surg.. 2013 Apr 1;216(4):814-24; discussion 824-7.

BackgroundCurrent guidelines recommend minimally invasive breast biopsy (MIBB) as the gold standard for the diagnosis of breast lesions. The purpose of this study was to describe geographic patterns and time trends in the use of MIBB in Texas.MethodsWe used 100% Texas Medicare claims data (2000-2008) to identify women older than 66 years of age who underwent breast biopsy. Biopsies were classified as open or MIBB. Time trends, racial/ethnic variation, and geographic variation in the use of biopsy techniques were examined.ResultsA total of 87,165 breast biopsies were performed on 75,518 breast masses in 67,582 women; 65.8% of the initial biopsies were MIBB. Radiologists performed 70.3% and surgeons performed 26.2% of MIBB. Surgeons performed 94.2% of open biopsies. Hispanic women were less likely to undergo MIBB (55.9%) compared with white (66.6%) and black (68.9%) women (p < 0.0001). Women undergoing MIBB were also more likely to live in metropolitan areas and have higher income and educational levels (p < 0.0001). The rate of MIBB increased from 44.4% in 2001 to 79.1% in 2008 (p < 0.0001). There are clear geographic patterns in MIBB use, with highest use near major cities. Although rates are increasing overall, rates of improvement in the use of MIBB vary considerably across geographic regions and remain persistently low in more rural areas.ConclusionsDespite an increase in the use of MIBB over time, MIBB use was consistently lower than recommended. We must identify specific barriers in rural areas to effectively change practice and achieve the statewide goal of 90% MIBB.Copyright © 2013 American College of Surgeons. Published by Elsevier Inc. All rights reserved.

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