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Dedifferentiated Liposarcoma of the Retroperitoneum- A case report -
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¹®¿ì¼º/Woo Sung Moon
Á¤¸í¾Æ/À̵¿±Ù/ÃÖÈ£¿/±è»óÈ£/Myoung Ja Jeong/Dong Geun Lee/Ho Yeoul Choi/Sang Ho Kim
KMID : 0357919930270030296
Abstract
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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 liposarcoma 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 differentiated sarcoma, and fibrosarcoma.
Immunohistochemically, 5-100 protein was expressed in the area of spindle cell sarcoma,
well differentiated liposarcoma, and malignant fibrous histiocytoma but ¥á
-1-antichymotrypsin was only expressed in the area of myxoid malignant fibrous
histiocytoma. (Korean J Pathol 1993: 27: 296¡298)
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Dedifferentiated liposarcoma; S-100 protein; ¥á-1-antichymotrypsin;
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