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  • Title: Ultrasonographic diagnosis of adult intussusception caused by pedunculated colon carcinoma.
    Author: Nagata N, Asai S, Gocho S, Shirakura K, Koike J, Suzuki T, Watanabe N, Shirai T, Minemura T, Mine T, Miyachi H.
    Journal: Tokai J Exp Clin Med; 2008 Apr 20; 33(1):39-41. PubMed ID: 21318963.
    Abstract:
    Adult intussusception is clinically rare. We report a case with colon intussusception caused by a pedunculated polyp of the sigmoid colon in a 54-year-old male. Abdominal ultrasonographic screening for hematochezia showed intussusception in the sigmoid colon, demonstrating a multiple concentric ring sign and a mobile leading colon polyp. Histological examination of a biopsy specimen of the polyp revealed adenoma. This report suggests that ultrasound imaging is a modality of choice for differential diagnosis of intestinal intussusception with hematochezia in adults.
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