title: Overdiagnosis and overtreatment of breast cancer: rates of ductal carcinoma in situ: a US perspective.
abstract: The incidence of breast ductal carcinoma in situ (DCIS) in the USA exceeds that of other countries. This cannot be explained entirely by the frequency of mammographic screening in the USA and may result from differences in the interpretation of mammograms and/or the frequency with which biopsies are obtained. Although the percentage of DCIS patients treated with mastectomy has decreased, the absolute number is unchanged and the use of lumpectomy with whole-breast radiotherapy has increased in inverse proportion to the decrease in mastectomy. Treatment of DCIS with tamoxifen is still limited.
authors.affiliation: University of California, 1600 Divisadero Street, San Francisco, CA 94115, USA.
authors.forename: Anjali S
authors.initials: AS
authors.lastname: Kumar
authors.forename: Vinona
authors.initials: V
authors.lastname: Bhatia
authors.forename: I Craig
authors.initials: IC
authors.lastname: Henderson
mesh_terms: D000328:Adult; D000368:Aged; D001706:Biopsy; D001943:Breast Neoplasms / Q000000981:diagnostic imaging* / Q000453:epidemiology* / Q000601:surgery; D002285:Carcinoma, Intraductal, Noninfiltrating / Q000000981:diagnostic imaging* / Q000453:epidemiology* / Q000601:surgery; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D015994:Incidence; D008408:Mastectomy / Q000706:statistics & numerical data; D015412:Mastectomy, Segmental / Q000706:statistics & numerical data; D008875:Middle Aged; D011859:Radiography; D006113:United Kingdom / Q000453:epidemiology; D014481:United States / Q000453:epidemiology