Cases reported "Breast Neoplasms, Male"

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1/109. Male breast cancer in the hereditary nonpolyposis colorectal cancer syndrome.

    A male member of a large HNPCC kindred, affected by primary malignancies of the breast and colon, was identified. This individual was found to harbor a germline mutation of the MLH1 mismatch repair gene previously shown to segregate with disease in this kindred. The breast tumor exhibited somatic reduction to homozygosity for the MLH1 mutation, and microsatellite instability was evident in the breast tumor. We conclude that hereditary male breast cancer can occur as an integral tumor in the HNPCC syndrome.
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2/109. Paget's disease of the male breast associated with intraductal carcinoma.

    Paget's disease of the breast is a rare condition with an incidence of 3% to 5% of all mammary malignancies. Of all malignant breast cancer, 1% occurs in male patients, and thus, Paget's disease of the male breast is extremely rare. We present a case of intraductal carcinoma of the male breast presenting as Paget's disease.
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3/109. Two-step approach for the operation of male breast cancer: report of a case at high risk for surgery.

    We report herein the rare case of a 61-year-old man with a history of dissecting aortic aneurysm as well as right breast cancer. He complained of abdominal pain due to a progress of aortic dissection in preparation for the radical operation for breast cancer. blood pressure was initially controlled and he was administered a simple mastectomy under local anesthesia. One month after the first operation, a radical operation for breast cancer was successfully performed. The tumor was in stage II, and two years after the operation, the patient remained free of recurrent disease. This two-step approach for the operation of male breast cancer may be used as a treatment of breast cancer if a patient is too frail for normal surgery.
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4/109. Idiopathic thrombocytopenic purpura associated with breast cancer: a case report and review of the current literature.

    The association of solid tumors with idiopathic thrombocytopenic purpura (ITP) is rare. Before this study, there have been three case reports indicating an association between breast cancer and ITP. We present a 69-year-old man with metastatic breast cancer and progressive thrombocytopenia without any evidence of a leukoerythroblastic picture or etiologies for the thrombocytopenia. serum platelet antibodies were identified. A bone marrow biopsy showed small foci of metastatic breast cancer, thrombocytopenia, and normal number of megakaryocytes. A subsequent trial of steroids resulted in a marked improvement of the patient's thrombocytopenia. This is the fourth case report indicating an association of breast cancer and ITP.
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keywords = cancer
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5/109. Immunoreactivity of prostate-specific antigen in male breast carcinomas: two examples of a diagnostic pitfall in discriminating a primary breast cancer from metastatic prostate carcinoma.

    Prostatic-specific antigen (PSA) is regarded as a specific marker secreted by normal and neoplastic acinar epithelial cells of the prostate gland; its detection by immunocytochemistry has been accepted as an indication of metastatic prostate cancer. This is ascribed to the commonly held belief that PSA is not found in extraprostatic tissues. However, this concept has recently been challenged, based on the observations that certain nonprostatic tissues and their neoplasms can also secrete PSA. Such a questionable belief could result in a diagnostic pitfall when using immunostaining for PSA on fine-needle aspiration (FNAC) cytology samples to differentiate metastatic prostate cancer from a primary carcinoma of an extraprostatic organ. In this communication, two cases of primary carcinomas of the male breast are reported in which PSA immunopositivity on FNAC led to the suggestion of a diagnosis of metastatic carcinoma of the prostate. Diagn. Cytopathol. 1999;21:167-169.
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ranking = 0.68800282192075
keywords = cancer, neoplasm
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6/109. Choroidal metastasis in men with metastatic breast cancer.

    PURPOSE: To report two cases of choroidal metastasis in metastatic breast cancer in men. METHOD: case reports of a 50-year-old man with an 8-year history of breast cancer who was initially examined with a solitary amelanotic choroidal tumor and a 62-year-old man with an 8-month history of breast cancer who was initially examined with numerous unilateral amelanotic choroidal tumors. RESULTS: Ophthalmoscopic and echographic characteristics of the choroidal tumors were typical for breast cancer metastasis. Systemic screening disclosed advanced metastatic disease in both patients. Choroidal metastasis could be effectively treated by external beam irradiation. CONCLUSIONS: Although breast cancer is a rare condition in men, it should be considered as a possible primary cancer in cases of choroidal metastasis.
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7/109. plasmacytoma of the breast. A report of two cases diagnosed by aspiration biopsy.

    BACKGROUND: Extramedullary plasmacytoma of the breast is an uncommon neoplasm, occurring either as a solitary tumor or as evidence of disseminated multiple myeloma. CASE: Two cases of plasmacytoma of the breast were diagnosed by fine needle aspiration cytology. Aspiration smears showed a dispersed population of plasmacytoid cells with eccentric nuclei, abundant cytoplasm and the characteristic paranuclear hof. CONCLUSION: The clinical, cytologic and immunophenotypic features of plasmacytoma are characteristic, and the importance of distinguishing these neoplasms from primary mammary tumors is important to avoid unnecessary surgery.
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ranking = 0.042672310508167
keywords = neoplasm
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8/109. Germline BRCA1 and HMLH1 mutations in a family with male and female breast carcinoma.

    Hereditary non-polyposis colorectal cancer (HNPCC) is an autosomal dominant disease, predisposing to the development of colorectal cancer and other tumor types such as endometrial, small bowel, stomach, ovary and urinary tract carcinoma, while most investigators find no association between HNPCC and cancer of the breast. We have identified hMLH1 mutations in 2 Amsterdam-criteria HNPCC families where both male and female gene carriers were affected with breast cancer. To investigate whether these breast cancers were caused by other genetic factors, we analyzed the 2 breast cancer susceptibility genes BRCA1 and BRCA2. In one family we did not find any mutation in the breast cancer genes, while in the other, a BRCA1 mutation segregated in the breast cancer cases. Hereditary breast cancer, and in particular BRCA1 tumors, display discrete histo-pathological and immunohistological characteristics. The tumor from a woman with both hMLH1 mutations and a BRCA1 mutation exhibited typical BRCA1 histology, e.g., grade 3 invasive ductal carcinoma with dense lymphocytic infiltration, and immunohistology, estrogen receptor (ER) negative, progesterone receptor (PgR) negative, strongly p53 positive, c-erbB-2 negative and highly Ki67 positive (>50% stained cells). The histology of the breast tumor from the man with both one hMLH1 mutation and a BRCA1 mutation was a grade 2 invasive ductal carcinoma without any special BRCA1 features. Immunohistology was also different. This might merely reflect a true difference in male breast tumor progression vs. female. We cannot exclude that the combined effect of BRCA1 and hMLH1 dysfunction has a bearing on tumor progression.
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9/109. Lobular carcinoma of the breast in an 85-year-old man.

    The present study describes a case of the extremely rare histological picture of a lobular carcinoma of the male breast. The 85-year-old patient presented with a tumour in a very advanced stage. The results of genetic studies excluded Klinefelter's syndrome, but a new gene mutation affecting the BRCA1 gene (breast cancer gene 1) was found in the patient.
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keywords = cancer
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10/109. Bilateral male breast cancer and prostate cancer: a case report.

    Male breast cancer, consisting only 1% of all breast cancers, is occasionally associated with other primary malignancies, especially in patients with familial breast cancer history. Sporadic male breast cancers with another primary tumor are extremely rare. We report a 67-year-old male with asynchronous bilateral breast cancer and prostate cancer without familial breast cancer history.
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