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KMID : 0032220150270030310
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Annals of Dermatology
2015 Volume.27 No. 3 p.310 ~ p.314
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Cutaneous Metastatic Undifferentiated Pleomorphic Sarcoma from a Mediastinal Sarcoma
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Jeong Do-Seon
Park Dong-Hwa
Kim Chi-Yeon
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Abstract
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Undifferentiated pleomorphic sarcoma, known as malignant fibrous histiocytoma, is a malignant neoplasm that arises in both soft tissue and bones. In 2002, the World Health Organization declassified malignant fibrous histocytoma as a formal diagnostic entity and renamed it ‘undifferentiated pleomorphic sarcoma not otherwise specified.’ It most commonly occurs in the lower extremities and rarely metastasizes cutaneously. We report a case of cutaneous metastatic undifferentiated pleomorphic sarcoma of the buttocks occurring in a 73-year-old man diagnosed with mediastinal sarcoma 4 years previously. He first noticed the mass approximately 2 months previously. Histological findings with immunomarkers led to a final diagnosis of cutaneous metastatic sarcoma from mediastinal undifferentiated pleomorphic sarcoma. (Ann Dermatol 27(3) 310∼314, 2015)
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KEYWORD
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Malignant fibrous histiocytoma, Undifferentiated pleomorphic sarcoma
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