Abstract
Preoperative mammograms from 395 breast cancers and 132 benign breast lesions were
enrolled for this study. The false-negative (FN) rate for breast cancers from preoperative
reading was 9.6% with 38 breast cancers missed on mammograms. The statistically significant
differences occurred between true-positive (TP) and FN cancers for younger age (P<.025), smaller lesion size (P<.001), denser breast (P<.05), deep retroglandular location (P<.001). None of the FN cancers exhibited calcifications. The FN rate for mammography
for benign breast lesions from preoperative reading was 18.9% with 25 lesions misdiagnosed.
The statistically significant difference between benign TP and FN lesions occurred
for central and subareolar location (P<.025). Exploration of possible factors and imaging features in FN mammograms can
help reduce the FN rate for mammography.
Keywords
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Article info
Publication history
Accepted:
May 30,
2000
Received:
January 30,
2000
Identification
Copyright
© 2000 Elsevier Science Inc. Published by Elsevier Inc. All rights reserved.
