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KMID : 0882420080740040397
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Korean Journal of Medicine
2008 Volume.74 No. 4 p.397 ~ p.402
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Microscopic colitis in a single center study: clinical feature & characteristics
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Lee Se-Young
Jeon Seong-Woo
Chung Yun-Jin
Park Young-Dae
Yoon Seok-Jin
Park Soo-Young
Kim Eun-Soo
Jung Min-Kyu
Kim Sung-Kook
Choi Yong-Hwan
Cho Chang-Min
Tak Won-Young
Kweon Young-Oh
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Abstract
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Background : Collagenous colitis (CC) and lymphocytic colitis (LC) are characterized by chronic diarrhea and normal radiologic and endoscopic findings. These are currently not uncommon entities whose incidence in increasing as more clinicians take biopsies from macroscopically normal colons. The purpose of this study was to examine the clinical features and characteristics in microscopic colitis.
Methods : From January 2003 to December 2006, medical records were reviewed from 80 patients with chronic diarrhea, who had normal colonoscopic findings but underwent biopsy. Patients with microscopic colitis were identified by reviewing the pathology databases and by reviewing biopsies.
Results : Microscopic colitis was diagnosed in 12 patients (15%). Six patients with CC (Male:Female=2:4, mean age 54±20.1 years) and 6 patients with LC (Male:Female=5:1, mean age 51.2±21.4 years) were identified. Autoimmune disease was diagnosed in 4 patients (33%). Drug-induced disease was suspected in 3 patients (25%). The inciting drugs were NSAIDs, ticlopidine, ranitidine, and acarbose. Complete or partial resolution of diarrhea was achieved in all patients, including spontaneous resolution in 2 patients. Antidiarrheal drugs, mesalazine, and cholestylamine were highly effective in both diseases. Recurrence of symptoms occurred in 2 patients (17%). They are taking medicine at present.
Conclusion : Microscopic colitis is a relatively common cause of chronic diarrhea that appears to be increasing in incidence. We reported clinical features, characteristics, treatment, and response of microscopic colitis in our experience.
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KEYWORD
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Microscopic colitis, Collagenous colitis, Lymphocytic colitis
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