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KMID : 0356720060220060357
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Journal of the Korean Society of Coloproctology
2006 Volume.22 No. 6 p.357 ~ p.362
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Clinical Characteristics of Amebic Colitis as Diagnosed by using Colonoscopic Findings
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Moon Gyoo
Park Jong-Beom
Paik Chang-Hee
Hur Chang
Jang Hee-Chul
Kim Hyun-Shig
Park Young-Hee
Lee Jung-Dal
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Abstract
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Purpose: Nowadays, with improvements in hygiene and in the sewage system, the prevalence of amebic colitis in Korea is declining. However, amebic colitis still occurs every year. We investigated the clinical features of current patients with amebic colitis and compared the results with those for a past endemic period in Korea.
Methods: From June 2000 to June 2005, 10 patients were diagnosed in the Digestive endoscopy center of Song Do colorectal hospital as having amebic colitis. We evaluated their medical histories, clinical characteristics, and colonoscopic findings.
Results: The male-to-female ratio was 1.5：1. The mean age was 38.4±11.4 years. The mean diagnostic period from occurrence of symptoms to diagnosis was 20.4±17.5 days. The clinical symptoms of amebic colitis were diarrhea (80%), bloody stool (70%), mucoid stool (60%), abdominal pain (50%), fever, weight loss, nausea, and fatigue. Seven patients (70%) had a history of travel, and six of those seven patients had taken trips abroad. The foreign areas of travel included India (50%), Indonesia (28.6%), and Japan (16.7%). The diagnostic methods were colonoscopic biopsies to detect trophozoites of Entameba histolytica (90%) and serologic tests for the anti-ameba antibody (10%). The most common colonic locations of the lesions were the cecum (80%) and the rectum (80%). Another was the ascending colon (30%); pan-colonic involvement was also seen (10%).
Conclusion: In the past, the cause of amebic colitis in Korea was poor hygiene. Nowadays, however, travel to amebiasis-endemic areas may be the most important cause. Therefore, the travel history of diarrheal patients is an important diagnostic factor in cases of amebic colitis and a differential diagnosis factor in cases of inflammatory bowel disease. J Korean Soc Coloproctol 2006;22:357-362
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KEYWORD
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Amebic colitis, Travel history, Inflammatory bowel disease
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