MEDICAL AUDIT OF A RAPID-THROUGHPUT MAMMOGRAPHY SCREENING PRACTICE - METHODOLOGY AND RESULTS OF 27,114 EXAMINATIONS

被引:169
作者
SICKLES, EA
OMINSKY, SH
SOLLITTO, RA
GALVIN, HB
MONTICCIOLO, DL
机构
[1] Department of Radiology, University of California, School of Medicine, San Francisco, CA 94143-0628
关键词
breast neoplasms; diagnosis; breast radiography; quality assurance; utilization; cancer screening;
D O I
10.1148/radiology.175.2.2326455
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
Medical audit results from the entire experience of a rapid-throughput mammography screening practice are presented, comprising 27,114 examinations conducted from April 1985 to September 1989. The authors screened a self-selected physician-referred population, almost 94% of whom were asymptomatic. Estimated sensitivity of initial mammography interpretation was 93.1% with a specificity of 94.2% and a positive predictive value of 10.0%. Biopsies prompted by screening yielded a diagnosis of a malignancy in 32.1% of cases; 170 breast cancers were identified, 67.1% requiring mammographic needle localization. Median cancer size was 12 mm, the rate of axillary nodal metastasis was 11.0%, and the systemic metastasis rate was 1.2%. Of the cancers found, 76.5% were stage 0 or stage 1. Conducting a medical audit is the most convincing way to demonstrate the success of a mammography screening practice, thereby providing this important information for the benefit of screenees, referring physicians, third-party payers, and the personnel who perform the screening.
引用
收藏
页码:323 / 327
页数:5
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