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dc.date.accessioned2020-03-28T19:17:08Z
dc.date.available2020-03-28T19:17:08Z
dc.date.created2019-07-13T18:04:18Z
dc.date.issued2019
dc.identifier.citationLilleborge, Marie Falk, Ragnhild Sørum Russnes, Hege Elisabeth Giercksky Sauer, Torill Ursin, Giske Hofvind, Solveig . Risk of breast cancer by prior screening results among women participating in BreastScreen Norway. Cancer. 2019, 125(19), 3330-3337
dc.identifier.urihttp://hdl.handle.net/10852/74257
dc.description.abstractBackground A premalignant lesion in the breast is associated with an increased risk of breast cancer. The aim of this article was to identify women with an increased risk of breast cancer based on prior screening results (PSRs). Methods This registry‐based cohort study followed women who participated in the organized breast cancer screening program in Norway, BreastScreen Norway, in 1995‐2016. Incidence rates and incidence rate ratios were used to estimate absolute and relative risks of breast cancer associated with PSRs. Histopathological characteristics of subsequent breast cancers were presented by PSRs. Results This study included 762,643 women with up to 21 years of follow‐up. In comparison with negatively screened women, increased incidence rate ratios of 1.8, 2.0, 2.9, and 3.8 were observed after negative additional imaging, for benign biopsy, for hyperplasia with atypia, and for carcinoma in situ, respectively. Subsequent breast cancers did not differ in tumor diameter or histological grade, whereas the proportion of lymph node–positive breast cancers decreased as the presumed malignancy potential of PSRs increased. Conclusions The risk of subsequent breast cancer increased with the presumed malignancy potential of PSRs, whereas the tumor characteristics of subsequent cancers did not differ except for the lymph node status. Women with screen‐detected benign lesions or hyperplasia with atypia might benefit from more frequent screening.
dc.languageEN
dc.rightsAttribution-NonCommercial 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/
dc.titleRisk of breast cancer by prior screening results among women participating in BreastScreen Norway
dc.typeJournal article
dc.creator.authorLilleborge, Marie
dc.creator.authorFalk, Ragnhild Sørum
dc.creator.authorRussnes, Hege Elisabeth Giercksky
dc.creator.authorSauer, Torill
dc.creator.authorUrsin, Giske
dc.creator.authorHofvind, Solveig
cristin.unitcode185,53,82,0
cristin.unitnameKlinikk for indremedisin og laboratoriefag
cristin.ispublishedtrue
cristin.fulltextpreprint
cristin.fulltextpreprint
cristin.qualitycode1
dc.identifier.cristin1711403
dc.identifier.bibliographiccitationinfo:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Cancer&rft.volume=125&rft.spage=3330&rft.date=2019
dc.identifier.jtitleCancer
dc.identifier.volume125
dc.identifier.issue19
dc.identifier.startpage3330
dc.identifier.endpage3337
dc.identifier.doihttps://doi.org/10.1002/cncr.32330
dc.identifier.urnURN:NBN:no-77362
dc.type.documentTidsskriftartikkel
dc.type.peerreviewedPeer reviewed
dc.source.issn0008-543X
dc.identifier.fulltextFulltext https://www.duo.uio.no/bitstream/handle/10852/74257/5/cncr.32330.pdf
dc.type.versionPublishedVersion
dc.relation.projectKF/5746604


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