The impact of screening mammography in women age 40-49 as a function of tumor biology.
2013
113 Background: Mammographic screening for women 40-49 years of age remains controversial based on results from earlier large scale, controlled mammography trials. Methods: From 2002-2006, 871 women aged 40-49 were diagnosed with breast cancer at Intermountain. The charts of all patients without a record of a screening mammogram at Intermountain (n= 436) were reviewed to confirm that they had not had a screening mammogram in the prior two years at any facility (Interval Cancers) and their survival was compared to 435 women who had their cancer diagnosed on a screening exam (Screen Detected). All patients were followed for at least 5 years via the tumor registry. Results: Stage distribution for Screen Detected/Interval cancers was 25.3/6.4% stage 0, 36.8/24.8% stage I, 24.6/35.6% stage II, 6.9/20.4% stage III and 0.5/3.4% stage IV. Overall, 67 patients (7.7%) did not have complete staging data. Overall survival was significantly better (p<.0001) for 40-49 year old women with Screen Detected compared to tho...
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