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Performance of computer-aided detection applied to full-field digital mammography in detection of breast cancers.

Abstract：

OBJECTIVE:The aim of this retrospective study was to evaluate performance of computer-aided detection (CAD) with full-field digital mammography (FFDM) in detection of breast cancers. MATERIALS AND METHODS:CAD was retrospectively applied to standard mammographic views of 127 cases with biopsy proven breast cancers detected with FFDM (Senographe 2000, GE Medical Systems). CAD sensitivity was assessed in total group of 127 cases and for subgroups based on breast density, mammographic lesion type, mammographic lesion size, histopathology and mode of presentation. RESULTS:Overall CAD sensitivity was 91% (115 of 127 cases). There were no statistical differences (p > 0.1) in CAD detection of cancers in dense breasts 90% (53/59) versus non-dense breasts 91% (62/68). There was statistical difference (p < 0.05) in CAD detection of cancers that appeared mammographically as microcalcifications only versus other mammographic manifestations. CAD detected 100% (44/44) of cancers manifesting as microcalcifications, 89% (47/53) as no-calcified masses or asymmetries, 88% (14/16) as masses with associated calcifications, and 71% (10/14) as architectural distortions. CAD sensitivity for cancers 1-10mm was 84% (38/45); 11-20mm 93% (55/59); and >20mm 97% (22/23). CONCLUSION:CAD applied to FFDM showed 100% sensitivity in identifying cancers manifesting as microcalcifications only and high sensitivity 86% (71/83) for other mammographic appearances of cancer. Sensitivity is influenced by lesion size. CAD in FFDM is an adjunct helping radiologist in early detection of breast cancers.

journal_name

Eur J Radiol

journal_title

European journal of radiology

authors

Sadaf A,Crystal P,Scaranelo A,Helbich T

doi

10.1016/j.ejrad.2009.08.024

subject

Has Abstract

pub_date

2011-03-01 00:00:00

pages

457-61

issue

3

eissn

0720-048X

issn

1872-7727

pii

S0720-048X(09)00511-7

journal_volume

77

pub_type

杂志文章

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