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Medullary carcinoma of the breast. Identification of lymphocyte subpopulations and their significance. 1993

M J Gaffey, and H F Frierson, and S E Mills, and J C Boyd, and R J Zarbo, and J F Simpson, and L K Gross, and L M Weiss
Department of Pathology, University of Virginia Health Sciences Center, Charlottesville.

Fifty-two infiltrating breast carcinomas with medullary features (BCMF) were studied immunohistochemically to determine the immunophenotype of the mononuclear tumor inflammatory cells (MTIC) in formalin-fixed, paraffin-embedded material. The neoplasms were also examined for Epstein-Barr virus (EBV) DNA by the polymerase chain reaction (PCR). BCMF were independently classified as medullary carcinoma (MC) or infiltrating ductal carcinoma (IDC) by six observers according to the criteria of Pedersen et al. DNA from 35 BCMF was successfully amplified using PCR, but all were negative for EBV DNA. These included, by 4/6 consensus diagnosis, 16 MC, 18 IDC, and one BCMF which failed to achieve consensus diagnosis. MTIC were present to a mild degree in 19 BCMF (37%) and to moderate to severe degrees in 33 (63%). MTIC were predominantly (> or = 75%) lymphocytic in 31 BCMF (13 MC, 16 IDC, two without consensus diagnostic agreement), and plasmacytic in 10 (six MC, four IDC); equal proportions of lymphocytes and plasma cells occurred in 11 (six MC, five IDC). Lymphocytic MTIC were mostly CD45RO+/CD3+ T-cells in nearly all cases, and showed a predominant CD3+/CD4+ and CD3+/CD4- immunophenotype in 36% and 64% of cases, respectively. Natural killer cells (CD57+) and histiocytes (MAC 387+) were virtually absent. The number, cell type, and T-cell subsets of the MTIC were unrelated to consensus diagnosis, axillary lymph node status, or overall survival. EBV is unassociated with MC, despite the histologic similarities of MC to EBV-associated lymphoepithelial lesions of other organs.(ABSTRACT TRUNCATED AT 250 WORDS)

UI MeSH Term Description Entries
D007150 Immunohistochemistry Histochemical localization of immunoreactive substances using labeled antibodies as reagents. Immunocytochemistry,Immunogold Techniques,Immunogold-Silver Techniques,Immunohistocytochemistry,Immunolabeling Techniques,Immunogold Technics,Immunogold-Silver Technics,Immunolabeling Technics,Immunogold Silver Technics,Immunogold Silver Techniques,Immunogold Technic,Immunogold Technique,Immunogold-Silver Technic,Immunogold-Silver Technique,Immunolabeling Technic,Immunolabeling Technique,Technic, Immunogold,Technic, Immunogold-Silver,Technic, Immunolabeling,Technics, Immunogold,Technics, Immunogold-Silver,Technics, Immunolabeling,Technique, Immunogold,Technique, Immunogold-Silver,Technique, Immunolabeling,Techniques, Immunogold,Techniques, Immunogold-Silver,Techniques, Immunolabeling
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D001943 Breast Neoplasms Tumors or cancer of the human BREAST. Breast Cancer,Breast Tumors,Cancer of Breast,Breast Carcinoma,Cancer of the Breast,Human Mammary Carcinoma,Malignant Neoplasm of Breast,Malignant Tumor of Breast,Mammary Cancer,Mammary Carcinoma, Human,Mammary Neoplasm, Human,Mammary Neoplasms, Human,Neoplasms, Breast,Tumors, Breast,Breast Carcinomas,Breast Malignant Neoplasm,Breast Malignant Neoplasms,Breast Malignant Tumor,Breast Malignant Tumors,Breast Neoplasm,Breast Tumor,Cancer, Breast,Cancer, Mammary,Cancers, Mammary,Carcinoma, Breast,Carcinoma, Human Mammary,Carcinomas, Breast,Carcinomas, Human Mammary,Human Mammary Carcinomas,Human Mammary Neoplasm,Human Mammary Neoplasms,Mammary Cancers,Mammary Carcinomas, Human,Neoplasm, Breast,Neoplasm, Human Mammary,Neoplasms, Human Mammary,Tumor, Breast
D004279 DNA, Viral Deoxyribonucleic acid that makes up the genetic material of viruses. Viral DNA
D004854 Herpesvirus 4, Human The type species of LYMPHOCRYPTOVIRUS, subfamily GAMMAHERPESVIRINAE, infecting B-cells in humans. It is thought to be the causative agent of INFECTIOUS MONONUCLEOSIS and is strongly associated with oral hairy leukoplakia (LEUKOPLAKIA, HAIRY;), BURKITT LYMPHOMA; and other malignancies. Burkitt Herpesvirus,Burkitt Lymphoma Virus,E-B Virus,EBV,Epstein-Barr Virus,Human Herpesvirus 4,Infectious Mononucleosis Virus,Burkitt's Lymphoma Virus,HHV-4,Herpesvirus 4 (gamma), Human,Burkitts Lymphoma Virus,E B Virus,E-B Viruses,Epstein Barr Virus,Herpesvirus, Burkitt,Infectious Mononucleosis Viruses,Lymphoma Virus, Burkitt,Mononucleosis Virus, Infectious,Mononucleosis Viruses, Infectious
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D016131 Lymphocyte Subsets A classification of lymphocytes based on structurally or functionally different populations of cells. Lymphocyte Subpopulations,Lymphocyte Subpopulation,Lymphocyte Subset,Subpopulation, Lymphocyte,Subpopulations, Lymphocyte,Subset, Lymphocyte,Subsets, Lymphocyte
D016133 Polymerase Chain Reaction In vitro method for producing large amounts of specific DNA or RNA fragments of defined length and sequence from small amounts of short oligonucleotide flanking sequences (primers). The essential steps include thermal denaturation of the double-stranded target molecules, annealing of the primers to their complementary sequences, and extension of the annealed primers by enzymatic synthesis with DNA polymerase. The reaction is efficient, specific, and extremely sensitive. Uses for the reaction include disease diagnosis, detection of difficult-to-isolate pathogens, mutation analysis, genetic testing, DNA sequencing, and analyzing evolutionary relationships. Anchored PCR,Inverse PCR,Nested PCR,PCR,Anchored Polymerase Chain Reaction,Inverse Polymerase Chain Reaction,Nested Polymerase Chain Reaction,PCR, Anchored,PCR, Inverse,PCR, Nested,Polymerase Chain Reactions,Reaction, Polymerase Chain,Reactions, Polymerase Chain

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