{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T09:02:49Z","timestamp":1785402169715,"version":"3.56.0"},"reference-count":85,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T00:00:00Z","timestamp":1777507200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"\u201cIuliu Hatieganu\u201d University of Medicine and Pharmacy, Cluj-Napoca, Romania","award":["1300\/42\/13.01.2017"],"award-info":[{"award-number":["1300\/42\/13.01.2017"]}]},{"award":["1300\/42\/13.01.2017"],"award-info":[{"award-number":["1300\/42\/13.01.2017"]}],"id":[{"id":"https:\/\/ror.org\/051h0cw83","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinics and Practice"],"abstract":"<jats:p>Background\/Objectives: Celiac disease (CD) is a chronic immune-mediated enteropathy triggered by gluten ingestion in genetically predisposed individuals, with a highly heterogeneous clinical presentation encompassing both intestinal and extraintestinal manifestations. Despite growing clinical awareness, diagnostic delay remains a significant challenge, and the evolution of clinical and histopathological features following gluten-free diet (GFD) initiation remains incompletely characterized. This study aimed to compare the clinical, serological, and histopathological profile of adults with newly diagnosed CD and those maintained on a long-term GFD. Methods: This prospective observational study enrolled 50 adult patients with biopsy-confirmed CD: 16 at the time of diagnosis (gluten-consuming) and 34 on a GFD for at least one year. All participants underwent standardized clinical assessment, serological testing (IgA anti-tissue transglutaminase [tTG] and\/or IgA anti-endomysial antibodies [EMAs]), upper digestive endoscopy with duodenal biopsies graded according to the Marsh\u2013Oberhuber classification, and evaluation for Helicobacter pylori co-infection. Between-group comparisons were performed using the Mann\u2013Whitney U test, Fisher\u2019s exact test, and chi-square test, as appropriate. Results: Newly diagnosed patients exhibited a significantly longer median duration from symptom onset to diagnosis compared to the GFD group (p = 0.03). Histopathological severity was greater in the newly diagnosed group, with more advanced Marsh\u2013Oberhuber grades (p = 0.03). Among individual symptoms, bloating was significantly more frequent in newly diagnosed patients (p = 0.02). Notably, thrombocytosis was identified significantly more often in the newly diagnosed group compared to GFD patients (p = 0.02), representing a potentially underrecognized extraintestinal marker of active CD. Overall rates of intestinal and extraintestinal manifestations and CD-specific seropositivity did not differ significantly between groups. Conclusions: The clinical and histopathological profile of adults with celiac disease differs meaningfully between the time of diagnosis and during GFD adherence. Bloating and thrombocytosis were significantly more prevalent at diagnosis, with thrombocytosis emerging as a potentially underrecognized marker of active disease. Conversely, several manifestations persisted despite dietary treatment, underscoring the heterogeneous nature of CD across its clinical course. These findings may support earlier disease recognition and more individualized follow-up strategies in routine clinical practice.<\/jats:p>","DOI":"10.3390\/clinpract16050088","type":"journal-article","created":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T10:15:27Z","timestamp":1777630527000},"page":"88","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Clinical and Histopathological Profile of Adults with Celiac Disease at Diagnosis and on a Gluten-Free Diet: A Cross-Sectional Observational Study"],"prefix":"10.3390","volume":"16","author":[{"given":"Elena Maria","family":"Domsa","sequence":"first","affiliation":[{"name":"Department of Nursing, \u201c1 Decembrie 1918\u201d University of Alba Iulia, 510009 Alba Iulia, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ioana","family":"Para","sequence":"additional","affiliation":[{"name":"4th Department of Internal Medicine, \u201cIuliu Ha\u021bieganu\u201d University of Medicine and Pharmacy, 400006 Cluj-Napoca, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8590-4583","authenticated-orcid":false,"given":"Adela Viviana","family":"Sitar Taut","sequence":"additional","affiliation":[{"name":"4th Department of Internal Medicine, \u201cIuliu Ha\u021bieganu\u201d University of Medicine and Pharmacy, 400006 Cluj-Napoca, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Teodora Atena","family":"Pop","sequence":"additional","affiliation":[{"name":"4th Department of Internal Medicine, \u201cIuliu Ha\u021bieganu\u201d University of Medicine and Pharmacy, 400006 Cluj-Napoca, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elena Ofelia","family":"Mosteanu","sequence":"additional","affiliation":[{"name":"4th Department of Internal Medicine, \u201cIuliu Ha\u021bieganu\u201d University of Medicine and Pharmacy, 400006 Cluj-Napoca, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8139-7497","authenticated-orcid":false,"given":"Laura Elena","family":"Gligor","sequence":"additional","affiliation":[{"name":"Department of Nursing, \u201c1 Decembrie 1918\u201d University of Alba Iulia, 510009 Alba Iulia, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1647-9381","authenticated-orcid":false,"given":"Mihaela Elvira","family":"C\u00eempianu","sequence":"additional","affiliation":[{"name":"Department of Nursing, \u201c1 Decembrie 1918\u201d University of Alba Iulia, 510009 Alba Iulia, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-2979-0386","authenticated-orcid":false,"given":"Antonia Gabriela","family":"Nitescu","sequence":"additional","affiliation":[{"name":"Department of Nursing, \u201c1 Decembrie 1918\u201d University of Alba Iulia, 510009 Alba Iulia, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2602-0248","authenticated-orcid":false,"given":"Viorel Lucian","family":"Marina","sequence":"additional","affiliation":[{"name":"Department of Social Sciences, \u201c1 Decembrie 1918\u201d University of Alba Iulia, 510009 Alba Iulia, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8380-6226","authenticated-orcid":false,"given":"Bogdan Nicolae","family":"Mucea","sequence":"additional","affiliation":[{"name":"Department of Social Sciences, \u201c1 Decembrie 1918\u201d University of Alba Iulia, 510009 Alba Iulia, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vasile","family":"Andreica","sequence":"additional","affiliation":[{"name":"4th Department of Internal Medicine, \u201cIuliu Ha\u021bieganu\u201d University of Medicine and Pharmacy, 400006 Cluj-Napoca, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,4,30]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"583","DOI":"10.1177\/2050640619844125","article-title":"European Society for the Study of Coeliac Disease (ESsCD) guideline for coeliac disease and other gluten-related disorders","volume":"7","author":"Volta","year":"2019","journal-title":"United Eur. 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