Radiological findings of screen-detected cancers in a multi-centre randomized, controlled trial of mammographic screening in women from age 40 to 48 years

Evans, A. J., Kutt, E., Record, C., Waller, M. and Moss, S. (2006) Radiological findings of screen-detected cancers in a multi-centre randomized, controlled trial of mammographic screening in women from age 40 to 48 years. Clinical Radiology, 61 9: 784-788. doi:10.1016/j.crad.2006.04.013


Author Evans, A. J.
Kutt, E.
Record, C.
Waller, M.
Moss, S.
Title Radiological findings of screen-detected cancers in a multi-centre randomized, controlled trial of mammographic screening in women from age 40 to 48 years
Journal name Clinical Radiology   Check publisher's open access policy
ISSN 0009-9260
Publication date 2006-09-01
Sub-type Article (original research)
DOI 10.1016/j.crad.2006.04.013
Open Access Status Not Open Access
Volume 61
Issue 9
Start page 784
End page 788
Total pages 5
Place of publication London
Publisher W. B. Saunders
Language eng
Subject 111706 Epidemiology
010402 Biostatistics
Formatted abstract
Aim: To elucidate the mammographic findings of screen-detected cancers in women screened between 40–48 years, and to establish the frequency and nature of abnormal findings on previous mammograms in women with screen-detected cancers.

Methods
: A radiology review panel consisting of three experienced breast radiologists viewed the screening mammograms in chronological order, confirming that any abnormalities detected corresponded to the cancers detected at later screens. An analysis correlating mammographic features with median invasive size and the proportion measuring less than 10 and 15 mm was performed.

Results:
Two hundred and thirty-two women had screen-detected invasive cancers with mammograms available for review. The most frequent features seen at diagnosis were spiculate mass, ill-defined mass, granular calcification, deformity and comedo calcification. Thirty-four percent of mammograms showed calcification. The mammographic sign associated with smallest median size was calcification. Calcification was also the mammographic abnormality most frequently associated with cancers <10 mm in size. In total there were 147 abnormal previous screens of 87 women. The most commonly missed features were granular microcalcification, deformity and ill-defined mass. Of the missed abnormalities 20% were classified as malignant, 43% as subtle change and 32% as non-specific.

Conclusion: Compared with older women, screen-detected cancer in younger women more commonly manifests as calcification and less frequently a spiculate mass. Calcification is the sign most frequently associated with invasive cancers <10 mm in size. Calcification and deformity are the signs most frequently seen on the previous mammograms of women with screen-detected cancer.
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
School of Medicine Publications
 
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