Cancerous versus noncancerous breasts

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Abstract
Cancerous and clinically normal autopsy obtained breasts were collected in order to compare the physiopathological profile of both types of glandular tree. Each breast was visualized by whole thin sections and observed under a stereomicroscope with removal of the more interesting changes for histology. The comparison was made between 67 atrophic cancerous breasts and 88 atrophic control breasts. The results were as follows: 25% of the cancerous breasts versus 47% of control breasts showed no changes, atypical lobules, microfoci of “in situ” and/or infiltrating cancer were present in 46% of cancerous breasts and in 16% of control breasts, showing a significant correlation with clinical cancer. All other types of functional and proliferative changes, variously associated each other, were found in 29% of cancerous and in 37% of control breasts. Our morphological data agree completely with the statements in follow-up studies carried out on benign breast biopsies. The significant differences in the physiopathological profile of the glandular tree between “normal” and cancerous breasts, confirms that some changes are causally related to clinical cancer.