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[Immunomorphologic markers in breast cancer]
Arkhiv Patologii
|January 1, 1996
Summary
Immunohistochemical markers like PCNA and CEA show varied expression in mammary carcinoma (MC). While some markers correlate with tumor size and metastasis, clear links to histological type or malignancy grade were not found.
Area of Science:
- Oncology
- Immunohistochemistry
- Cancer Biology
Context:
- Mammary carcinoma (MC) encompasses diverse histological subtypes.
- Immunohistochemistry is crucial for characterizing tumor markers.
- Understanding tumor markers aids in prognosis and treatment strategies.
Purpose:
- To immunomorphologically study various mammary carcinoma subtypes.
- To investigate the expression of proliferative cells nuclear antigen (PCNA), cerbB-2, carcinoembryonic antigen (CEA), trophoblastic beta 1 globulin (TBG), ferritin (Fe), and cyprein in MC.
- To correlate marker expression with histological structure, malignancy grade, tumor size, and lymph node metastasis.
Summary:
- Immunohistochemical analysis revealed PCNA, cerbB-2, CEA, TBG, and Fe expression in a significant portion of MC cases.
- Cyprein was observed in approximately half of the cases.
- No definitive correlation was found between immunomorphological parameters and histological type or malignancy grade.
- PCNA expression increased with tumor size.
- CEA, Fe, and TBG showed a tendency for more frequent observation in cases with lymph node metastases.
Impact:
- Identifies potential prognostic indicators in mammary carcinoma.
- Highlights the complex interplay of tumor markers, size, and metastasis.
- Suggests specific marker combinations (e.g., CEA with TBG, PCNA, or cerbB-2) are associated with a less favorable prognosis.