Cases reported "Breast Neoplasms, Male"

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1/218. A rare case of benign mesenchymoma of the breast in a man.

    The term 'benign mesenchymoma' was first used by Stout in 1948 and has since been widely adopted to describe benign tumours made up of a mixture of mesenchymal tissues which had previously been called by many names, such as hamartoma and angiolipoma. This tumour is most commonly found in the renal and perirenal tissue. Benign mesenchymomas arising in the breast are extremely rare. We present, to our knowledge, the first reported case of benign mesenchymoma in a male breast. The clinical presentation, course and treatment of the patient are discussed. ( info)

2/218. Secretory breast carcinoma in a boy.

    Secretory breast carcinoma is a very rare condition in boys. An 11-year-old boy with secretory breast carcinoma is presented here. Modified radical mastectomy was performed by irradiation and chemotherapy because of axillary metastasis. There was no local recurrence or distant metastases in the follow-up period of 14 months. ( info)

3/218. Invasive ductal carcinoma of the male breast expanding from pacemaker pocket decubitus.

    After twenty-five years of therapy with different unifocal pacemaking systems, an 84-year old male patient developed a nonseptic pacemaker decubitus. A rare incidental finding of invasive ductal carcinoma of the right mammary gland was surgically treated by a generous excision of the tumor and by consecutive modified radical mastectomy. According to published literature, the association of invasive ductal carcinoma arising from a pacemaker pocket decubitus and followed by curative treatment has not been previously reported. We do conclude that pacemaker generators in close relationship to the mammary gland should be considered with suspicion. ( info)

4/218. 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. ( info)

5/218. 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. ( info)

6/218. Myofibroblastoma of the breast with hemangiopericytoma-like pattern and pleomorphic lipoma-like areas. Report of a case with diagnostic and histogenetic considerations.

    Myofibroblastoma (MFB) of the breast is an uncommon benign spindle cell tumor which may exhibit a wide spectrum of histological features. We report an unusual case of MFB of the male breast, showing cellular areas with a hemangiopericytoma-like pattern similar to that observed in solitary fibrous tumor (SFT) and extensive fibromyxoid areas containing numerous atypical stromal cells. The association of these atypical cells with mature adipocytes and microcystic and/or myxoid degenerative changes resembled pleomorphic lipoma-like and myxoid liposarcoma-like features, respectively. To our knowledge, these peculiar morphological findings have not been previously reported in MFB of the breast. They should be recognized to avoid confusion with other mesenchymal tumors, especially with hemangiopericytoma, pleomorphic lipoma (PL), spindle-cell lipoma (SCL) and myxoid liposarcoma. A case of MFB of the breast showing morphological features also commonly seen in SFT and PL/SCL is further morphological evidence in support of the speculation that the mesenchymal tumors of the breast, also known under the terms benign spindle cell tumors, fibromas, SFTs, SCLs and MFBs, are histogenetically related lesions. ( info)

7/218. Paget's disease arising near a male areola without an underlying carcinoma.

    We report a 56-year-old man with Paget's disease occurring near the left areola without any underlying breast carcinoma. Histologically, there was no evidence suggesting continuity with a lactiferous duct, accessory breast, or microscopic gynecomastia. We review previous case reports of Paget's disease occurring in unusual sites and discuss their nomenclature from the histogenetic point of view. ( info)

8/218. male breast myofibroblastoma and MR findings.

    Myofibroblastoma of the breast is a rare benign tumor seen predominantly in men in the sixth to seventh decades of life. We present a case of breast myofibroblastoma in a man and describe the mammographic, sonographic, and MR findings. ( info)

9/218. 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. ( info)

10/218. Myofibroblastoma of the breast with diverse histological features.

    We report two cases of myofibroblastoma with unusual pathological features, in a 66-year-old woman and a 49-year-old man. Both tumours were unilateral, grossly nodular and well circumscribed, but not encapsulated. The lesions were made up of bipolar spindle cells arranged in fascicular clusters separated by bands of hialinized collagen; one included several islands of mature cartilage next to fat cells. The other contained atypical mononucleated and multinucleated giant cells. No mitotic figures were observed. Immunohistochemically, both tumours showed strong and diffuse cytoplasmic staining for vimentin and CD 34 and focal positivity for alpha-smooth muscle actin, and both were negative for cytokeratins, CD 68, Ham 5, 6, Mac 387, and S-100 protein. desmin was positive in one case. Ultrastructural study revealed populations composed of fibroblastic cells without signs of myofibroblastic differentiation in one case; the second featured abundant undifferentiated mesenchymal cells with myofibroblastic differentiation. Both patients remain disease-free 38 and 36 months after lumpectomy. ( info)
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