Abstract
The aim of this study was to identify the mammographic findings associated with malignancy in different age groups, taking into account breast composition (BC) and lesion size. Preoperative mammograms of 1023 invasive ductal carcinomas were retrospectively evaluated. According to the American College of Radiology Breast Imaging Reporting and Data System, cancer mammographic findings were classified as mass, calcifications, architectural distortion and asymmetry, and breasts were assessed as non-dense (A or BBC) and dense (C or DBC). Patient cohort was subdivided into three age groups (group 1: <50 years of age; group 2: between 50 and 69; group 3: ≥70 years of age). Significant results of multinomial logistic regression were the association between mass and non-dense breast (p <0.0001) and the association between mass and tumor size larger than 15mm (p =0.0049). Mass finding of invasive ductal breast carcinoma is associated with breast composition and tumor size.
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