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KMID : 0371320030640010072
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Journal of the Korean Surgical Society
2003 Volume.64 No. 1 p.72 ~ p.76
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A Case of Malignant Fibrous Histiocytoma-like Sarcomatoid Metaplastic Carcinoma of the Breast
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Choi Han-Jin
Park Chan-Kum
Jung Pa-Jong
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Abstract
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A metaplastic carcinoma of the breast (MpC) is a very rare malignant tumor accounting for fewer than 1% of all mammary tumors. MpCs are difficult to diagnose accurately and classify because of their rarity and varied histological patterns. A MpC is a histologically diverse type of malignancy in which an adenocarcinoma is found to co-exist with an admixture of spindle cells, squamous, chondroid, or bone-forming neoplastic cells. Cystic changes can be encountered in MpC, particularly in carcinoma with squamous metaplasia, but are rare in a sarcomatoid metaplastic carcinoma. We recently experienced an unusual case of a sarcomatoid metaplastic carcinoma mimicking a malignant fibrous histiocytoma of the soft tissue in a 34-year-old female, who had a breast tumor with an extensive cystic change, which was growing rapidly. Here, we report this unusual case of MpC with a review of the relevant literature.
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KEYWORD
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Breast cancer, Sarcomatoid, Metaplastic carcinoma
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