{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T14:35:00Z","timestamp":1787841300118,"version":"build-2784847793"},"reference-count":9,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"1","license":[{"start":{"date-parts":[[2026,1,1]],"date-time":"2026-01-01T00:00:00Z","timestamp":1767225600000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2026,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Collagenous gastritis (CG) is a rare entity characterized by subepithelial collagen deposition with increased thickness of &gt;10 \u03bcm. Here we report a young-adult female patient presented with upper gastrointestinal symptoms. Upper gastrointestinal endoscopy revealed atrophic mucosa in the body of stomach, and a biopsy was taken. Histopathological examination showed increased collagen deposition only in the subepithelial region, which is highlighted by Masson\u2019s trichrome stain. Final diagnosis of CG was made.<\/jats:p>","DOI":"10.4103\/ijpm.ijpm_508_24","type":"journal-article","created":{"date-parts":[[2026,1,19]],"date-time":"2026-01-19T14:00:13Z","timestamp":1768831213000},"page":"134-136","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":0,"title":["Collagenous gastritis: A rare entity with common clinical features"],"prefix":"10.4103","volume":"69","author":[{"given":"Paruvathavarthini","family":"Thambiraj","sequence":"first","affiliation":[{"name":"Department of Pathology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kalaivanan","family":"Balasubramanian","sequence":"additional","affiliation":[{"name":"Department of Pathology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bheemanathi Hanuman","family":"Srinivas","sequence":"additional","affiliation":[{"name":"Department of Pathology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2026,1,19]]},"reference":[{"key":"R1-20260403","doi-asserted-by":"crossref","first-page":"1552","DOI":"10.1016\/0016-5085(89)90403-4","article-title":"Collagenous gastritis","volume":"97","author":"Colletti","year":"1989","journal-title":"Gastroenterology"},{"key":"R2-20260403","first-page":"4073588","article-title":"Atypical presentations of collagenous gastritis mimicking celiac sprue","author":"Evans","year":"2023","journal-title":"Case Rep Gastrointest Med 2023"},{"key":"R3-20260403","doi-asserted-by":"crossref","first-page":"1174","DOI":"10.1097\/00000478-200109000-00008","article-title":"Collagenous gastritis: A report of six cases","volume":"25","author":"Lagorce-Pages","year":"2001","journal-title":"Am J Surg Pathol"},{"key":"R4-20260403","doi-asserted-by":"crossref","first-page":"603","DOI":"10.1097\/MPG.0b013e31803cd545","article-title":"Collagenous gastritis: A rare cause of abdominal pain and iron-deficiency anemia","volume":"45","author":"Kori","year":"2007","journal-title":"J Pediatr Gastroenterol Nutr"},{"key":"R5-20260403","doi-asserted-by":"crossref","first-page":"7511","DOI":"10.4076\/1757-1626-2-7511","article-title":"Collagenous gastritis, a new spectrum of disease in pediatric patients: Two case reports","volume":"2","author":"Suskind","year":"2009","journal-title":"Cases J"},{"key":"R6-20260403","doi-asserted-by":"crossref","first-page":"e14870","DOI":"10.1097\/MD.0000000000014870","article-title":"Three case reports of collagenous gastritis in children: Lessons for an endoscopic and histologic approach to mucosal nodularity of the stomach","volume":"98","author":"Lee","year":"2019","journal-title":"Medicine (Baltimore)"},{"key":"R7-20260403","doi-asserted-by":"crossref","first-page":"753","DOI":"10.1309\/3WM2-THU3-3Q2A-DP47","article-title":"Collagenous gastritis: A long-term follow-up with the development of endocrine cell hyperplasia, intestinal metaplasia, and epithelial changes indeterminate for dysplasia","volume":"116","author":"Winslow","year":"2001","journal-title":"Am J Clin Pathol"},{"key":"R8-20260403","doi-asserted-by":"crossref","first-page":"769","DOI":"10.1007\/s00431-007-0450-y","article-title":"Collagenous gastritis: A case report and review","volume":"166","author":"Ravikumara","year":"2007","journal-title":"Eur J Pediatr"},{"key":"R9-20260403","doi-asserted-by":"crossref","first-page":"424","DOI":"10.1007\/s10354-016-0515-5","article-title":"Autoimmune gastritis","volume":"166","author":"Kulnigg-Dabsch","year":"2016","journal-title":"Wien Med Wochenschr"}],"container-title":["Indian Journal of 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