The aim was to evaluate whether tomosynthesis gives additional information to increase the grading of mammographic features of a lesion seen on initial screening mammography and increase the assessor's confidence. Sixty-six lesions were graded the same on screening mammography and the assessment tomosynthesis. Three patients had incidental cancers found on ultrasound.Thirty-six were M5 lesions at screening and assessment. Sixty-four lesions were upgraded with tomosynthesis. Forty-four of 64 M3 or M4 lesions were upgraded to tomosynthesis 5.The technique is the same as in screen-film mammography.
Diagnostic mammography is used to diagnose breast cancer in women who have signs or symptoms of breast disease, or who has a history of breast cancer.
With screen-film mammography, 2D X-ray images of the breasts are recorded onto photographic film.
There is extensive evidence from a variety of well-conducted, randomized controlled studies that annual or biennial mammography is effective in reducing breast cancer mortality by 30 % in women aged 50 to 69 years. Results from the Canadian National Breast Screening Study (CNBSS) suggest that the contribution of mammography over good physical examinations to breast cancer mortality reduction may be less than has been assumed.
This observation re-emphasizes a truism of screening -- that it is not necessary to detect cancers as early as possible to obtain a benefit -- it is only necessary to detect them early enough.
In their 2009 recommendations, the USPSTF recommend that women aged 40 to 49 consider their personal risk for developing breast cancer before deciding to participate in regular, biennial screening.
The USPSTF concluded that the current evidence is insufficient to assess the additional benefits and harms of In addition, the USPSTF recommended against clinicians teaching women how to perform breast self-examination.
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