Overdiagnosis of Invasive Breast Cancer due to Mammography Screening
Authors: Karsten J. Jørgensen
Journal: Annals of Internal Medicine (2012)

Letters7 August 2012Overdiagnosis of Invasive Breast Cancer due to Mammography ScreeningKarsten J. Jørgensen, MDKarsten J. Jørgensen, MDFrom The Nordic Cochrane Centre, 2100 Copenhagen, Denmark.Search for more papers by this authorAuthor, Article, and Disclosure Informationhttps://doi.org/10.7326/0003-4819-157-3-201208070-00022 SectionsAboutFull TextPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinkedInRedditEmail TO THE EDITOR:We estimated 37% overdiagnosis of invasive breast cancer in Norway and 52% when we included cases of ductal carcinoma in situ (DCIS) (1). This means that 1 in 3 cases of breast cancer detected in the screened age group is overdiagnosed. We estimated 33% overdiagnosis in Denmark (2), which has the longest period worldwide that allows a contemporaneous comparison between screened and nonscreened areas.There are 3 main reasons for the difference between our estimates for Norway and the estimated 18% to 25% overdiagnosis of invasive breast cancer in Kalager and colleagues' study (3). We prefer the ...References1. Jørgensen KJ, Gøtzsche PC. Overdiagnosis in publicly organised mammography screening programmes: systematic review of incidence trends. BMJ. 2009;339:b2587. [PMID: 19589821] CrossrefMedlineGoogle Scholar2. Jørgensen KJ, Zahl PH, Gøtzsche PC. Overdiagnosis in organised mammography screening in Denmark. A comparative study. BMC Womens Health. 2009;9:36. [PMID: 20028513] CrossrefMedlineGoogle Scholar3. Kalager M, Adami HO, Bretthauer M, Tamimi RM. Overdiagnosis of invasive breast cancer due to mammography screening: results from the Norwegian screening program. Ann Intern Med. 2012;156:491-9. [PMID: 22473436] LinkGoogle Scholar4. Autier P, Boniol M, Middleton R, Doré JF, Héry C, Zheng T, et al. Advanced breast cancer incidence following population-based mammographic screening. Ann Oncol. 2011;22:1726-35. [PMID: 21252058] CrossrefMedlineGoogle Scholar5. Nederend J, Duijm LE, Voogd AC, Groenewoud JH, Jansen FH, Louwman MW. Trends in incidence and detection of advanced breast cancer at biennial screening mammography in The Netherlands: a population based study. Breast Cancer Res. 2012;14:R10. [PMID: 22230363] CrossrefMedlineGoogle Scholar Author, Article, and Disclosure InformationAuthors: Karsten J. Jørgensen, MDAffiliations: From The Nordic Cochrane Centre, 2100 Copenhagen, Denmark.Disclosures: None disclosed. PreviousarticleNextarticle Advertisement FiguresReferencesRelatedDetailsSee AlsoOverdiagnosis of Invasive Breast Cancer Due to Mammography Screening: Results From the Norwegian Screening Program Mette Kalager , Hans-Olov Adami , Michael Bretthauer , and Rulla M. Tamimi Overdiagnosis of Invasive Breast Cancer due to Mammography Screening Tor Haldorsen , Steinar Tretli , and Giske Ursin Overdiagnosis of Invasive Breast Cancer due to Mammography Screening Per-Henrik Zahl Overdiagnosis of Invasive Breast Cancer due to Mammography Screening Mette Kalager , Hans-Olov Adami , Michael Bretthauer , and Rulla M. Tamimi Overdiagnosis of Invasive Breast Cancer due to Mammography Screening Ragnhild Sørum Falk , Solveig Hofvind , and Per Skaane Metrics Cited byInfluence of breast cancer opportunistic screening on aesthetic surgical outcome: A single-center retrospective study in SwitzerlandScreening for breast cancer with mammography 7 August 2012Volume 157, Issue 3Page: 219-220KeywordsAge groupsBreast cancerCancer screeningDrugsDuctal carcinoma in situForecastingHealth careLesionsMammographyWine ePublished: 7 August 2012 Issue Published: 7 August 2012 Copyright & PermissionsCopyright © 2012 by American College of Physicians. All Rights Reserved.PDF downloadLoading ...