Summary
Microcalcifications in benign and malignant tumors can be analyzed by X-ray diffraction and electron microprobe analysis in human specimen. Our systematic investigations revealed calcium hydroxyapatite in cases of invasive carcinoma but calcium oxalate (weddelite) in proliferating but non-invasive diseases. The differences in calcification depending on the underlying disease may indicate basic differences in cell metabolism.
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Büsing, C.M., Keppler, U. & Menges, V. Differences in microcalcification in breast tumors. Virchows Arch. A Path. Anat. and Histol. 393, 307–313 (1981). https://doi.org/10.1007/BF00430830
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DOI: https://doi.org/10.1007/BF00430830