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

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 re...

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Detalles Bibliográficos
Autores principales: Kim, Yun Jeung, Moon, Hee Seok, Lee, Eaum Seok, Sung, Jae Kyu, Jeong, Hyun Yong, Kim, Ji Yeon, Kang, Dae Young
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Korean Society of Coloproctology 2011
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3218133/
https://www.ncbi.nlm.nih.gov/pubmed/22102979
http://dx.doi.org/10.3393/jksc.2011.27.5.270
Descripción
Sumario: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.