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Dedifferentiated Liposarcoma of the Retroperitoneum: A case report.
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HOME > J Pathol Transl Med > Volume 27(3); 1993 > Article
Case Report Dedifferentiated Liposarcoma of the Retroperitoneum: A case report.
Woo Sung Moon, Myoung Ja Jeong, Dong Geun Lee, Ho Yeoul Choi, Sang Ho Kim
Journal of Pathology and Translational Medicine 1993;27(3):296-298
DOI: https://doi.org/
Department of Pathology, Chonbuk National University College of Medicine, Jeonju, Korea.
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We report a case of dedifferentiated liposarcoma of retroperitoneum as a recurrent form in a 41 year old male. The patient received a extirpation for retroperitoneal mass and diagnosed as myxoid liosarcoma 4 years ago. The patient experienced 3 recurrences over a period of 4 years and diagnosed as myxoid liposarcoma in the second, third recurrence also. Histologically, the mass was composed of several clearly distinct elements : well differentiated liposarcoma, myxoid liposarcoma, myxoid malignant fibrous histiocytoma, poorly differntiated sarcoma, and fibrosarcoma. Immunohistochemically, S-100 protein was expressed in the area of spindle cell sarcoma, well differentiated liposarcoma, and malignant fibrous histiocytoma but alpha-1-antichymotrypsin was only expressed in the area of myxoid malignant fibrous histiocytoma.


J Pathol Transl Med : Journal of Pathology and Translational Medicine