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Primary cutaneous angiosarcoma of the breast after breast trauma.

and Skin Cancer Consultants, Dallas, Texas (Parker).
Proceedings (Baylor University. Medical Center) 01/2012; 25(1):70-2.
Source: PubMed

ABSTRACT Primary angiosarcoma of the breast is a rare malignant tumor. We report a case of breast primary cutaneous angiosarcoma in a patient with a strong family history of malignancy. For definitive diagnosis, a tissue biopsy is needed, with immunostaining for the presence of blood vessel endothelial markers CD31 and CD34. Total mastectomy is the preferred method of surgical treatment. Chemotherapy has not been shown to increase overall survival, but in some instances it may improve local control and disease-free survival. Surgery combined with radiation may increase local control, but patients at high risk of recurrence may benefit from adjuvant treatment as well. We discuss the potential benefits from various treatments for primary cutaneous breast angiosarcoma.

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Available from: Robert Mennel, Jul 04, 2015
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    ABSTRACT: Primary breast angiosarcoma is a very rare aggressive mesenchymal tumor, which may represent only 0.04% of all breast malignant tumors. We report a case of primary angiosarcoma in the breast of a 22-year-old woman who presented with a mass in her right breast. Ultrasonography revealed a large heterogeneous lobulated mass lesion consistent with a fibroadenoma or phyllodes tumor. After a period of six months, she presented with nipple retraction, so a core needle biopsy was performed. Histopathology revealed a well differentiated angiosarcoma (grade I/III), but in the mastectomy specimen, numerous neoplastic multinucleated giant cells were evident, which resembled those found in other sarcomas, such as malignant fibrous histiocytoma or extra skeletal osteogenic sarcoma, and this caused difficulty making the diagnosis. Using immunohistochemical (IHC) studies, neoplastic cells were positively stained for CD31, CD34, and factor VIII-related antigens, which confirmed that the tumor was a high grade, poorly differentiated angiosarcoma (grade III/III). In conclusion, angiosarcomas may have different grade patterns in the same tumor, and as a result it is necessary to examine the whole tumor for definite grading. Imaging findings in angiosarcomas are non-specific, therefore they may misdiagnosed, frequently by other benign lesions.
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