Korean J Gastrointest Endosc.  2010 Apr;40(4):270-274.

A Case of Leiomyosarcoma of the Sigmoid Colon Presenting as Intussusception

  • 1Department of Internal Medicine, Dong-A University College of Medicine, Busan, Korea. jh2002@dau.ac.kr


Leiomyosarcomas are malignant tumors of smooth muscle. Leiomyosarcomas of the large intestine are rare, with an incidence of less than 0.1% of all colorectal malignancies. A 70-year-old woman was admitted to the hospital with lower abdominal pain and hematochezia. The abdominal CT scan revealed a solid mass in the sigmoid colon and intussusception with a lead point. Surgical excision of the sigmoid colon mass was performed. The patient was diagnosed with a leiomyosarcoma originating from the sigmoid colon. Few cases of primary sigmoid colon leiomyosarcoma presenting as an intussusception have been reported in the medical literature. We report here on a case of complete surgical resection for a leiomyosarcoma of the sigmoid colon and this presented as intussusception.


Leiomyosarcoma; Sigmoid colon; Intussusception
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