{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T14:51:22Z","timestamp":1785423082586,"version":"3.56.0"},"reference-count":22,"publisher":"Wiley","license":[{"start":{"date-parts":[[2023,2,13]],"date-time":"2023-02-13T00:00:00Z","timestamp":1676246400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Case Reports in Gastrointestinal Medicine"],"published-print":{"date-parts":[[2023,2,13]]},"abstract":"<jats:p>Collagenous gastritis has been reported as a rare cause of nausea, diarrhea, weight changes, and early satiety in female patients. Here, we describe two women aged 43 and 71\u2009years who presented with similar symptoms. Gastric biopsies from both individuals showed thickened, irregular subepithelial collagen bands (&gt;10\u2009\u03bcm). The pathogenesis of collagenous gastritis is poorly understood, but it may be the presenting symptom for many underlying autoimmune conditions. In particular, there is a well-established connection between collagenous disorders of the gastrointestinal tract and celiac sprue, Sj\u00f6gren syndrome, and lymphocytic colitis; however, none of these conditions had been diagnosed in our patients. The older woman had incidentally discovered hypogammaglobinemia and IgA deficiency, whereas the younger woman suffered from fibromyalgia. Although a gluten-free diet and budesonide have been effective in some cases, there is no standardized therapy for collagenous gastritis. Our patients trialed diet modification and have required no additional medical interventions.<\/jats:p>","DOI":"10.1155\/2023\/4073588","type":"journal-article","created":{"date-parts":[[2023,2,13]],"date-time":"2023-02-13T23:35:05Z","timestamp":1676331305000},"page":"1-5","source":"Crossref","is-referenced-by-count":3,"title":["Atypical Presentations of Collagenous Gastritis Mimicking Celiac Sprue"],"prefix":"10.1155","volume":"2023","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9358-9843","authenticated-orcid":true,"given":"Mark G.","family":"Evans","sequence":"first","affiliation":[{"name":"Caris Life Sciences, Phoenix, AZ, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jack P.","family":"Guccione","sequence":"additional","affiliation":[{"name":"Los Angeles County Medical Examiner-Coroner, Los Angeles, CA, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anthony","family":"Crymes","sequence":"additional","affiliation":[{"name":"Department of Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, CA, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2558-2583","authenticated-orcid":true,"given":"Xiaodong","family":"Li","sequence":"additional","affiliation":[{"name":"Kaiser Permanente Redwood City Medical Center, Redwood, CA, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cary A.","family":"Johnson","sequence":"additional","affiliation":[{"name":"Department of Pathology and Laboratory Medicine, University of California Irvine (UCI) Medical Center, Orange, CA, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3202-9284","authenticated-orcid":true,"given":"Vishal S.","family":"Chandan","sequence":"additional","affiliation":[{"name":"Department of Pathology and Laboratory Medicine, University of California Irvine (UCI) Medical Center, Orange, CA, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuxin","family":"Lu","sequence":"additional","affiliation":[{"name":"CellNetix Pathology and Laboratories, Tacoma, WA, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1016\/0016-5085(89)90403-4"},{"key":"2","doi-asserted-by":"publisher","DOI":"10.1097\/00000478-200109000-00008"},{"key":"3","doi-asserted-by":"publisher","DOI":"10.1155\/2019\/5427085"},{"key":"4","doi-asserted-by":"publisher","DOI":"10.1097\/pas.0b013e318196a67f"},{"key":"5","doi-asserted-by":"publisher","DOI":"10.1053\/j.gastro.2005.05.020"},{"key":"6","doi-asserted-by":"publisher","DOI":"10.5858\/2001-125-1579-cgawlg"},{"issue":"7","key":"7","first-page":"1455","article-title":"Collagenous colitis with spondyloarthropathy presenting as fibromyalgia syndrome","volume":"31","author":"S. 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