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  • Title: Male breast cancer: pathological and immunohistochemical features.
    Author: Willsher PC, Leach IH, Ellis IO, Bell JA, Elston CW, Bourke JB, Blamey RW, Robertson JF.
    Journal: Anticancer Res; 1997; 17(3C):2335-8. PubMed ID: 9245247.
    Abstract:
    BACKGROUND: male breast cancer is uncommon and studies regarding the potential clinical relevance of the histopathological and immunohistochemical features are infrequently reported. MATERIALS AND METHODS: We investigated the biological characteristics of forty-one male patients with invasive breast cancer by assessing histopathological and multiple immunohistochemical features. RESULTS: The majority were no special type (ductal) (37/41), lobular cancer was not seen. 73% were histological grade 3, 93% were positive for oestrogen receptor and 73% for progesterone receptor. The proportion of cancers positive for c-ebB-2 (45%), EGFR (20%), p53 (58%), MiB1 (40%), NCRC11 (78%), were similar to reports for female breast cancer. Nonsignificant associations between poor survival outcome and grade 3 tumours, and positive tissue staining for MiB1 and p53 were seen. CONCLUSION: While there ar similarities in the biological features of breast cancer in males and females, some differences were identified. Male breast cancer is more likely to be grade 3 tumours and hormone receptor positive.
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