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Microcalcifications in breast carcinomas. A histological and histochemical study
Pathology, Research and Practice
|September 1, 1984
Summary
Microcalcifications, common in some breast cancers like comedo-carcinomas, were found in 41% of mastectomy specimens. Calcium deposits in lipids, similar to fibrocystic disease, were observed.
Area of Science:
- Oncology
- Pathology
- Histochemistry
Background:
- Microcalcifications are a recognized feature in breast pathology.
- Understanding their composition and association with different breast carcinoma types is crucial for diagnosis.
Purpose of the Study:
- To investigate the prevalence and characteristics of microcalcifications in breast carcinomas.
- To determine the chemical composition and morphological similarities of microcalcifications in cancer versus fibrocystic disease.
Main Methods:
- Histological and histochemical analysis of 332 mastectomy specimens.
- Prospective collection of consecutive specimens without prior radiographic examination.
Main Results:
- Microcalcifications were present in 41% of breast carcinomas studied.
- Higher incidence observed in comedo-carcinomas, duct carcinomas (N. O. S.), and papillary carcinomas.
- No microcalcifications found in in situ and infiltrative lobular carcinomas.
- Histochemistry revealed calcium deposition in compound lipids.
- Morphology and localization were similar to those in fibrocystic disease.
Conclusions:
- Microcalcifications are a frequent finding in specific types of breast cancer.
- The presence of microcalcifications in breast cancer shares similarities with fibrocystic disease, suggesting common underlying biological conditions.