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Utilization of Percutaneous Needle Biopsy for Breast Diagnosis in a Comprehensive Breast Center: Implications for Development of Quality Indicators.

Abstract：

INTRODUCTION:Percutaneous needle biopsy (PNB) is the standard of care for diagnosis of breast lesions. Rates of excisional biopsy for breast diagnosis in North America have been reported at approximately 35 %, although significant regional variation exists. A target rate of PNB for diagnosis of breast abnormalities is needed to facilitate quality improvement. We sought to describe the use of PNB in a referral practice, the clinical scenarios prompting PNB or surgical biopsy (SB), and the accuracy and rate of PNB to inform the ultimate development of a benchmark rate of PNB in breast diagnosis. MATERIALS AND METHODS:Female patients age 18-90 years, referred to Sunnybrook Health Sciences Centre, a large teaching hospital affiliated with the University of Toronto, with a breast lesion prompting tissue diagnosis with SB and/or PNB between 2002 and 2009 were studied. Each biopsied lesion was characterized by method of biopsy: PNB, SB, or PNB followed by SB. For each lesion, we collected data on patient demographics and breast cancer risk, reason for referral, imaging characteristics (breast imaging-reporting and data system classification, full description, final impression before biopsy), and pathology from each biopsy method. We report concordance between the final impression pre-biopsy and the PNB diagnosis with final surgical diagnosis where applicable. RESULTS:One thousand and twenty-six lesions were biopsied, 987 (96 %) with PNB. The benign:malignant ratio for the entire cohort was 1.2:1. Final impression was concordant with final pathology in 674/862 (78 %) and PNB diagnosis was concordant with SB pathology in 487/556 (88 %). The reasons for SB without PNB were required pathologic evaluation of the entire lesion (n = 19), patient choice (n = 5), other biopsy technique used (n = 6), technical (n = 4), planned mastectomy (n = 3), and enlarging mass (n = 2). 155/559 (28 %) of lesions without evidence of malignancy on PNB ultimately underwent SB. Papillary lesions and radial scars were more likely to undergo SB with or without prior PNB. Lesions deemed to be suspicious or malignant on final impression were more likely to be excised after a benign diagnosis at PNB. CONCLUSION:The vast majority of lesions requiring tissue diagnosis can be accurately diagnosed with PNB. Benchmarks for rates of PNB of 90 % or greater may be considered for performance measurement in appropriate populations.

journal_name

World J Surg

journal_title

World journal of surgery

authors

Holloway CM,Al-Riyees L,Saskin R

doi

10.1007/s00268-015-3293-0

subject

Has Abstract

pub_date

2016-07-01 00:00:00

pages

1590-9

issue

eissn

0364-2313

issn

1432-2323

pii

10.1007/s00268-015-3293-0

journal_volume

pub_type

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Utilization of Percutaneous Needle Biopsy for Breast Diagnosis in a Comprehensive Breast Center: Implications for Development of Quality Indicators.