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KMID : 0338419990140010088
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The Korean Journal of Internal Medicine
1999 Volume.14 No. 1 p.88 ~ p.90
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A Case of Primary Leiomyosarcoma of the Lesser Omentum
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Don Hyoun Joe/Don Hyoun Joe
Jin Mo Yang/Hyun Su Kim/Sung Soo Kim/Sang Wook Choi/Seung Hye Choi/Seong Lee/Keun Woo Lim
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Abstract
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Leiomyosarcoma is a rare tumor that originates in the smooth muscle, usually in the gastrointestinal tract, the retroperitoneum and the genitourinary tract. The omentum has been rarely reported as a primary site of occurrence with leiomyosarcoma. A 72 year-old woman, with palpable mass on the left upper quadrant of abdomen and weight loss, was admitted to St. Paul’s Hospital. Abdominal CT scan showed a 12×8×8 cm-sized cystic mass in the left upper quadrant of the abdomen. Endoscopic ultrasonography showed a large cystic mass between the stomach and the liver, which was 1.6 cm length in wall thickness. Laparotomy and resection of the mass was performed. A 12×8×8 cm-sized mass, originated from the lesser omentum, was discovered near the lesser curvature of the stomach. Microscopic examination revealed spindle-shaped cells with 7?8 mitoses per high power field. She was diagnosed as primary leiomyosarcoma originated from the lesser omentum.
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KEYWORD
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Leiomyosarcoma, Lesser omentum,
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