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Drug-induced Collagenous Colitis: Special Reference to the Endoscopic Features of Lansoprazole-associated Cases Junji Umeno 1 , Takayuki Matsumoto 1 , Shotaro Nakamura 1 , Shunichi Yanai 1 , Katsuya Hirakawa 2 , Shinichiro Yada 1 , Yukihiko Jo 1 , Hajime Yamagata 3 , Ryuji Yoshimura 4 , Takashi Watanabe 5 , Masaki Gushima 6 , Takashi Yao 7 , Yutaka Nakashima 8 , Mitsuo Iida 1 1Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan 2Division of Gastroenterology, Fukuoka Red Cross Hospital, Fukuoka, Japan 3Division of Gastroenterology, Kokura Medical Center, Kitakyushu, Japan 4Yoshimura Naika Clinic, Fukuoka, Japan 5Department of Gastroenterology, Fukuoka University, Fukuoka, Japan 6Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan 7Department of Human Pathology, Juntendo University School of Medicine, Tokyo 8Division of Pathology, Fukuoka Red Cross Hospital, Fukuoka, Japan Keyword: collagenous colitis , 薬剤性腸炎 , 縦走潰瘍 , プロトンポンプ阻害薬 pp.1973-1982
Published Date 2009/12/25
DOI https://doi.org/10.11477/mf.1403101815
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 Although some cases of collagenous colitis(CC)have been induced by drugs such as nonsteroidal anti-inflammatory drugs(NSAIDs), aspirin and lansoprazole, the clinicopathological features of drug-induced CC have not been elucidated. To determine the clinical, endoscopic and histopathological features of drug-induced CC, we reviewed 24 subjects who were diagnosed with CC. All patients fulfilled the Giardiello's criteria for CC. 20 out of 24 patients(83.3%)were administered lansoprazole(LPZ)before onset of diarrhea(LPZ group). In all 20 patients in the LPZ group, diarrhea completely resolved after discontinuance of the medication. In comparison between the LPZ group and the non-LPZ group, colonoscopy revealed linear mucosal defect more frequently in the LPZ group(55%)than in the non-LPZ group(0%, p=0.07). The mucosal defects with a predilection for the left-sided colon were sharply demarcated and they were not accompanied by circumferential edema. In Japan, LPZ-associated CC may be most common among drug-induced CC and it seems to be often accompanied by linear mucosal defect.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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