| A Case of Large Polypoid Arteriovenous Malformation of Colon Treated with Detachable Snare |
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Jeong Seon Ji, Bo In Lee, Byung Wook Kim, Hwang M.D., Se Hyun Cho, Kyu Yong Choi, Woo Chul Chung, Kang Moon Lee, Hyun Suk Chae, In Sik Chung, Kyong Mee Kim |
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Departments of Internal Medicine and Pathology, College of Medicine, The Catholic University of Korea, Seoul, Korea
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| 박리성 올가미로 지혈한 대장의 거대 용종양 동정맥기형 1예 |
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지정선, 이보인, 김병욱, 최황, 조세현, 최규용, 정우철, 이강문, 채현석, 정인식, 김경미 |
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가톨릭대학교 의과대학 내과학교실, 병리학교실 |
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| Abstract |
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Arteriovenous malformation is well known cause of lower gastrointestinal bleeding in elderly patients. This is relatively uncommon in people younger than 50 years of age. Endoscopically, it generally appears as bright red flat or elevated bright red lesion. A polypoid appearance is extremely uncommon. We report a case of large polypoid arteriovenous malformation of colon in 81-year-old male patient. He has complained of hematochezia for 4 days. During colonoscopy, a 3.5 cm sized semipedunculated polypoid mass in the proximal transverse colon was detected. For prevention of bleeding, detachable snare was applied and biopsy was done. 3 days later, follow up colonoscopy was done. There was no hemorrhege. We performed endoscopic mucosal resection. Polypoid arteriovenous malformation of colon was comfirmed by microscopic findings. Histologically, section of excised polyp shows ulceration, hemorrhage and the dilated, irregularly thick walled blood vessels in the mucosa and submucosa. (Intestinal Research 2004;2:36-39) |
| Key Words:
Polypoid arteriovenous malformation, Detachable snare |
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