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KMID : 0880420020030040264
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Korean Journal of Radiology
2002 Volume.3 No. 4 p.264 ~ p.266
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Retroperitoneal Malignant Mesenchymoma: A Case of Mesenchymal Mixed Tumor with Osteosarcoma, Leiomyosarcoma, Liposarcoma and Fibrosarcoma
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Hong Jun Chung/Jung Eun Choi
Hong Jun Chung/Won Jong Yoo/Myung Hee Chung/Mi Sook Sung/Hae Giu Lee/Il Young Park*/Jea Na Kim†
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Abstract
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Malignant mesenchymoma is an interesting but very rare tumor in which malignant differentiation has occurred twice or more. We report a case of retroperitoneal malignant mesenchymoma consisting of osteosarcoma, leiomyosarcoma, liposarcoma and fibrosarcoma. Abdominal CT showed a large retroperitoneal mass with two separate and distinct parts, namely an area of prominent calcification and one of clearly enhancing solid components. The mass contained histologically distinct tumorous components with no histologic admixure at the interfaces. The densely calcified nodule corresponded to osteosarcoma, and the non-calcified clearly enhancing nodules to leiomyosarcoma, liposarcoma and fibrosarcoma.
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KEYWORD
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Malignant mesenchymoma, Retroperitoneum CT, Sarcoma,
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