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Can breast calcifications metastasize? 

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In conclusion, as breast carcinoma can metastasize to atypical places (cervix, endometrium, etc.
Thus, if primary breast cancers delete this region, their ability to metastasize decreases.
This calls into question the conventional model that the capacity for a primary breast tumour to metastasize increases as the tumour enlarges.
Some authors have suggested that mammographically evident calcifications that would be considered benign in other situations can be due to carcinoma in women who have undergone breast conservation.
When combined with other recent evidence on the effect of magnesium on hydroxyapatite precipitation, this suggests a mechanism explaining observations that carbonate levels within breast calcifications are lower in malignant specimens.
Pathologically, calcifications in breast lesions are of dystrophic type, and may occur in either the secretory materials or necrotic debris, with inflammation and osteopontin being plausible mediators.
Calcifications associated with lactational changes of the breast may have a suspicious appearance on mammography.
Virtually any malignancy may metastasize to the breast.
The tendency of breast tumors to metastasize is a reflection of the total tumor load.
Nonmammary tumors can also metastasize to the breast, although this is a rare phenomenon.

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What are the mechanisms by which tumors metastasize?5 answersTumors metastasize through a series of steps involving interactions with the microenvironment, mechanical properties, and molecular changes. Cancer cells interact with the endothelial cells and secrete hydrolytic enzymes to degrade the matrix, allowing them to invade blood and lymphatic vessels. The tumor microenvironment plays a crucial role in tumor spread, with tumors secreting growth factors and forming prior niches to guide their spread. Reorganization of the cytoskeleton and extracellular matrix is important for tumor cell migration and invasion. Metastasis involves dynamic molecular changes, including genetic and epigenetic alterations, leading to disintegration of cellular junctions and epithelial to mesenchymal transition. The process of metastasis is complex and involves various mechanisms such as epithelial-mesenchymal transition, cancer stem cells, extracellular vesicles, and pre-metastatic niche formation. Understanding these mechanisms is crucial for developing effective therapeutic approaches against metastatic cancer.
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