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CC BY-NC-ND 4.0 · Journal of Digestive Endoscopy 2020; 11(02): 146-148
DOI: 10.1055/s-0040-1713830
Case Report

Clinical and Magnifying Narrow-Band Imaging Endoscopic Finding–Olmesartan-Associated Collagenous Gastroduodenitis

Pankaj Desai
1   Department of Endoscopy & Endosonography, Surat Institute of Digestive Sciences (SIDS), Surat, Gujrat, India
,
Chintan Patel
1   Department of Endoscopy & Endosonography, Surat Institute of Digestive Sciences (SIDS), Surat, Gujrat, India
,
Mayank Kabrawala
2   Department of Gastroenterology, Surat Institute of Digestive Sciences (SIDS), Surat, Gujrat, India
,
Subhash Nandwani
2   Department of Gastroenterology, Surat Institute of Digestive Sciences (SIDS), Surat, Gujrat, India
,
Priya Arora
3   Department of pathology, Surat Institute of Digestive Sciences (SIDS), Surat, Gujrat, India
,
Krishna Parekh
4   Department of Clinical Research, Surat Institute of Digestive Sciences (SIDS), Surat, Gujrat, India
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Abstract

Collagenous gastroduodenitis is a rare and may be associated with olmesartan, an angiotensin–II receptor antagonist used for management of hypertension. It is characterized by marked subepithelial collagen deposition with mucosal inflammatory infiltrate. The characteristic endoscopic finding of collagenous gastritis is nodular mucosa and other findings include erythema friability, erosions, ulcers and atrophy. Olmesartan-associated collagenous gastroduodenitis without colonic involvement is exceptionally rare with only one case reported in literature to date. The association may be difficult to recognize because of its clinical and histologic similarity to the clinical entity collagenous gastroduodenitis. We present a case of Olmesartan-associated collagenous gastroduodenitis, which was observed on magnifying narrow-band imaging endoscopic findings.

Keywords

collagenous gastroduodenitis - M-NBI finding - olmesartan


Publication History

Article published online:
03 July 2020

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