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KMID : 0356720110270050270
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Journal of the Korean Society of Coloproctology
2011 Volume.27 No. 5 p.270 ~ p.274
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Recurrent Renal Leiomyosarcoma Mimicking a Colonic Submucosal Tumor: A Case Report
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Kim Yun-Jeung
Moon Hee-Seok
Lee Eaum-Seok
Sung Jae-Kyu
Jeong Hyun-Yong
Kim Ji-Yeon
Kang Dae-Young
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Abstract
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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.
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KEYWORD
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Leiomyosarcoma, Submucosal tumor, Recurrence, Colon, Kidney
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