Microcalcifications in benign breast diseases. A histological and histochemical study |
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Authors: | O T Anastassiades V Bouropoulou G Kontogeorgos M Rachmanides I Gogas |
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Affiliation: | Department of Pathology (Head: Prof. 0. Th. Anastassiades), General Hospital of Athens. Greece;Propeudetic Surgical Unit, University of Athens, King Paul''s Hospital of Athens, Greece |
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Abstract: | A hundred cases of fibroadenomas and 300 cases of benign breast diseases were studied without previous roentgenographic examination of the specimens. Microcalcifications were found in 19% of the fibroadenomas, in 26% of the cases of "fibrous disease" and in 57% of the cases of fibrocystic disease. Benign microcalcifications were not found in normal mammary tissue. They were steadily associated with metaplastic epithelial cells and with their abnormal secretions. Two basic types of microcalcifications were encountered: The granular microcalcifications with a predominately intracellular location and the homogeneous (with or without concentric rings) mainly associated with secreted materials. Microcalcifications were associated with metaplastic epithelial cells of the small eosinophilic variety and with their secretions, with the foam cells and with materials secreted by the apocrine cells. A common histochemical feature in cells or matrixes containing microcalcifications was the presence of compound lipids. The possible relationship of benign breast microcalcifications to the calcifications of other tissues, in connection with their association with lipids is discussed. |
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Keywords: | Microcalcifications Fibrocystic Disease Fibroadenoma |
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