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01.10.2010 | American Society of Breast Surgeons | Sonderheft 3/2010

Annals of Surgical Oncology 3/2010

Are Percutaneous Biopsy Rates a Reasonable Quality Measure in Breast Cancer Management?

Zeitschrift:
Annals of Surgical Oncology > Sonderheft 3/2010
Autoren:
MD Windy Olaya, MD Won Bae, MD Jan Wong, MD Jasmine Wong, MD Sharmila Roy-Chowdhury, MD Kevork Kazanjian, MD Sharon Lum

Abstract

Background

Utilization of percutaneous needle biopsy (PNB) has been proposed as a quality measure of breast cancer care. We evaluated rates and reasons for failure of patients undergoing PNB as the initial diagnostic procedure for evaluation of breast pathology.

Methods

We performed a retrospective review of sequential patients undergoing image-guided PNB and open surgical excisional breast biopsies from January 2006 to July 2009 at our institution. Factors associated with failure to undergo a percutaneous approach were analyzed.

Results

During the study period, 1196 breast biopsies were performed; 87 (7.3%) were open surgical biopsies, and 1109 (92.7%) were PNB. Imaging used for percutaneous guidance or needle localization was ultrasound in 58.9%, mammogram in 40.0%, and magnetic resonance imaging (MRI) in 0.9%. Open surgical excisional biopsy was associated with mammographic guidance (P < .001), location in the central or lower inner quadrant of the breast (P = .002), BIRADS score of 1 or 6 (P < .001), or calcifications as target (P < .001). There were no differences in rates of PNB by age, size of lesion, or breast density. Reasons for failure of PNB were technical (calcifications not visualized, proximity to implant, etc.) in 86.2% of cases. No reason was documented in 10.3%, and 3.4% of patients refused a percutaneous approach.

Conclusions

The majority of patients in this series underwent PNB as an initial diagnostic approach. Most percutaneous failures are due to technical reasons. PNB rates are a reasonable quality measure in breast cancer care. Documentation of failure to meet this benchmark should be stringently monitored.

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