書誌事項
- タイトル別名
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- Comparison of Findings on Diagnostic Mammograms in Women Aged 40-49 with Those in Women Aged 50 or Over
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抄録
In order to consider the introduction of mammography for breast cancer screening in women aged under 50, we compared the findings on diagnostic mammograms in women aged 40-49 with those in women aged 50 or over.<BR>Methods : From July to December 1998, 1, 777 patients underwent diagnostic mammography in our outpatient clinic. We investigated these mammography reports regarding the findings, the assessment categories, and the outcomes.<BR>Results : Proportion of the dense breast in women aged 40-49 and those aged 50 or over was 27 % and 12%, the positive predictive value was 28% and 44%, and the false negative rate was 8.5% and 4.7%, respectively. There are 8 patients with breast cancer whose mammogram could not show any abnormalities. The pattern of small nodule (T1 tumor) in extremely dense breast tissue were observed in 5 of these false negative patients.<BR>Conclusion : Although the positive predictive value for women aged 40-49 was lower than the value for women aged 50 or over because of the difference in parenchymal density, the sensitivity for women aged 40-49 held 90% or more. We can expect the effectiveness of mammographic mass-screening for breast cancer in women aged 40-49.
収録刊行物
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- 日本乳癌検診学会誌
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日本乳癌検診学会誌 11 (2), 155-160, 2002
特定非営利活動法人 日本乳癌検診学会
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詳細情報 詳細情報について
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- CRID
- 1390001204461222144
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- NII論文ID
- 10012824528
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- NII書誌ID
- AN10398771
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- ISSN
- 18826873
- 09180729
- http://id.crossref.org/issn/09180729
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可