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Recurrent Renal Leiomyosarcoma Mimicking a Colonic Submucosal Tumor: A Case Report

대한대장항문학회지 2011년 27권 5호 p.270 ~ 274
김윤정 ( Kim Yun-Jeung ) - 충남대학교 의과대학 내과학교실

문희석 ( Moon Hee-Seok ) - 충남대학교 의과대학 내과학교실
이엄석 ( Lee Eaum-Seok ) - 충남대학교 의과대학 내과학교실
성재규 ( Sung Jae-Kyu ) - 충남대학교 의과대학 내과학교실
정현용 ( Jeong Hyun-Yong ) - 충남대학교 의과대학 내과학교실
김지연 ( Kim Ji-Yeon ) - 충남대학교 의과대학 외과학교실
강대영 ( Kang Dae-Young ) - 충남대학교 의과대학 병리학교실

Abstract


A primary leiomyosarcoma of the kidney is a rare, but highly aggressive, neoplasm, accounting for only 0.1% of all invasive renal tumors. Local or systemic recurrence is common, but a leiomyosarcoma is difficult to diagnose preoperatively. We recently encountered an interesting case of an unusual recurrence of a renal leiomyosarcoma. A 57-year-old woman visited our hospital complaining of lower abdominal pain. Four years previously, she had undergone a left nephrectomy. She had a primary leiomyosarcoma of the kidney that had been misdiagnosed as a renal cell carcinoma. Colonoscopy revealed the presence of a lesion similar to a submucosal tumor in the descending colon. Postoperative pathologic examination confirmed that the mass was a recurrent leiomyosarcoma. We report this unusual case and present a review of the literature.

키워드

Leiomyosarcoma;Submucosal tumor;Recurrence;Colon;Kidney
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