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dc.contributor.authorMalai Muttaraken_US
dc.contributor.authorS. Pojchamarnwiputhen_US
dc.contributor.authorB. Chaiwunen_US
dc.date.accessioned2018-09-11T08:59:35Z-
dc.date.available2018-09-11T08:59:35Z-
dc.date.issued2006-10-01en_US
dc.identifier.issn00375675en_US
dc.identifier.other2-s2.0-33749484746en_US
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=33749484746&origin=inwarden_US
dc.identifier.urihttp://cmuir.cmu.ac.th/jspui/handle/6653943832/61815-
dc.description.abstractIntroduction: Mammography has proven to be an effective modality for the detection of early breast carcinoma. However, 4-34 percent of breast cancers may be missed at mammography. Delayed diagnosis of breast carcinoma results In an unfavourable prognosis. The objective of this study was to determine the causes and characteristics of breast carcinomas missed by mammography at our institution, with the aim of reducing the rate of missed carcinoma. Methods: We reviewed the reports of 13,191 mammograms performed over a five-year period. Breast Imaging Reporting and Data Systems (BI-RADS) were used for the mammographical assessment, and reports were cross-referenced with the histological diagnosis of breast carcinoma. Causes of missed carcinomas were classified. Results: Of 344 patients who had breast carcinoma and had mammograms done prior to surgery, 18 (5.2 percent) failed to be diagnosed by mammography. Of these, five were caused by dense breast parenchyma obscuring the lesions, II were due to perception and interpretation errors, and one each from unusual lesion characteristics and poor positioning. Conclusion: Several factors, including dense breast parenchyma obscuring a lesion, perception error, interpretation error, unusual lesion characteristics, and poor technique or positioning, are possible causes of missed breast cancers.en_US
dc.subjectMedicineen_US
dc.titleBreast carcinomas: Why are they missed?en_US
dc.typeJournalen_US
article.title.sourcetitleSingapore Medical Journalen_US
article.volume47en_US
article.stream.affiliationsChiang Mai Universityen_US
article.stream.affiliationsDepartment of Pathologyen_US
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