{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T06:22:37Z","timestamp":1780467757300,"version":"3.54.1"},"reference-count":24,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2023,9,13]],"date-time":"2023-09-13T00:00:00Z","timestamp":1694563200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"autonomous non-profit organization &quot;Moscow Center for Innovative Technologies in Healthcare&quot; of the Moscow Healthcare Department","award":["0903-1\/22"],"award-info":[{"award-number":["0903-1\/22"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Diagnostics"],"abstract":"<jats:p>There is a generally recognized need for a morphological assessment of the individual risk of developing gastric cancer in a patient with chronic gastritis, according to the OLGA system (Operative Link for Gastritis Assessment). At the same time, the role of assessing the biopsy from the incisura angularis remains controversial. The aim of our study was to assess the value of incisura angularis biopsy in staging gastritis according to the OLGA system by examining the atrophic and inflammatory changes in the antrum, incisura angularis, and body. Materials and Methods: A total of 718 patients (576 women and 142 men) aged 20 to 84 years were examined. Most of the patients were in the age group of 50 to 70 years (54.6%). Depending on the detection of H. pylori and autoimmune gastritis markers, all patients were divided into three groups. The first group included 380 patients with H. pylori gastritis without signs of autoimmune gastritis. The second group consisted of 209 patients with autoimmune gastritis, in whom no infection was detected during the examination, and there were no indications of H. pylori eradication. The third group consisted of 129 patients with chronic gastritis of combined etiology (autoimmune and H. pylori). Endoscopy biopsies were taken according to the updated Sydney System. Histological assessments of the grade and the stage of gastritis were carried out according to the standard OLGA-based protocol. Then, the same assessments were evaluated without taking into account histological changes in the incisura angularis. Results: When assessing the severity of inflammatory changes in the gastric mucosa according to the OLGA system, grade II (72.3%) was most often detected in all groups of patients. A severe degree of activity of chronic gastritis was most often observed in the group of patients with H. pylori gastritis (6.1%). These indicators practically did not change if the assessment did not take the angulus biopsy into account. When assessing the severity of atrophy of the glands in the gastric mucosa in patients of the first group, mild stages of atrophy prevailed. Without taking into account the angulus biopsy, a decrease in the stage of atrophy was observed in 27 cases (7.11%), and in only 4 cases did stage IV change to stage III, while in 23 cases, discrepancies were noted only within groups with a mild stage of atrophy. There were no transitions from stage III to stage II. In the group of patients with autoimmune gastritis, pronounced stages of atrophy prevailed\u2014in more than 77%. Without taking into account the angulus biopsy, a decrease in the stage of atrophy was observed in eight cases (3.83%), and in three (1.4%) patients, stage III was changed to stage II. In the group of patients with combined etiology (autoimmune + H. pylori), severe stages of atrophy also prevailed (70.5%). A decrease in the stage of atrophy without taking into account the angulus biopsy was only observed in three patients (2.32%), of which two cases concerned patients with mild stages of atrophy. Thus, in general, severe stages of atrophy of the gastric mucosa (stages III and IV according to the OLGA staging system) were detected in 313 patients (43.59%). If the assessment of the atrophy stage did not take into account changes in the angulus biopsy, then severe stages of atrophy (III and IV according to OLGA) were detected in 310 patients (43.17%). In total, changes in the assessment of the atrophy stage occurred in 38 patients (5.29%), and this was more often observed in patients with stages I and II of atrophy. Conclusions: Accounting for histological changes in the incisura angularis does not significantly affect the assessment of the grade and stage of chronic gastritis according to the OLGA system, regardless of the etiology of atrophic gastritis.<\/jats:p>","DOI":"10.3390\/diagnostics13182928","type":"journal-article","created":{"date-parts":[[2023,9,13]],"date-time":"2023-09-13T05:08:21Z","timestamp":1694581701000},"page":"2928","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["The Impact of the Angulus Biopsy on the Detection of Staging and the Grading of Chronic Gastritis"],"prefix":"10.3390","volume":"13","author":[{"given":"Sergey G.","family":"Khomeriki","sequence":"first","affiliation":[{"name":"A.S. Loginov Moscow Clinical Scientific Center, 111123 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2815-3992","authenticated-orcid":false,"given":"Dmitry S.","family":"Bordin","sequence":"additional","affiliation":[{"name":"A.S. Loginov Moscow Clinical Scientific Center, 111123 Moscow, Russia"},{"name":"Department of Outpatient Therapy and Family Medicine, Tver State Medical University, 170100 Tver, Russia"},{"name":"Department of Propaedeutic of Internal Diseases and Gastroenterology, A.I. Yevdokimov Moscow State University of Medicine and Dentistry, 127473 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Natalia M.","family":"Khomeriki","sequence":"additional","affiliation":[{"name":"M.F. Vladimirsky Moscow Regional Clinical Research Institute (MONIKI), 129110 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elena V.","family":"Parfenchikova","sequence":"additional","affiliation":[{"name":"A.S. Loginov Moscow Clinical Scientific Center, 111123 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karine A.","family":"Nikolskaya","sequence":"additional","affiliation":[{"name":"A.S. Loginov Moscow Clinical Scientific Center, 111123 Moscow, Russia"},{"name":"Research Institute for Healthcare Organization and Medical Management of Moscow Healthcare Department, 115088 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Valeria A.","family":"Ivanova","sequence":"additional","affiliation":[{"name":"A.S. Loginov Moscow Clinical Scientific Center, 111123 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Margarita V.","family":"Chebotareva","sequence":"additional","affiliation":[{"name":"A.S. Loginov Moscow Clinical Scientific Center, 111123 Moscow, Russia"},{"name":"Research Institute for Healthcare Organization and Medical Management of Moscow Healthcare Department, 115088 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria L.","family":"Gretskaya","sequence":"additional","affiliation":[{"name":"A.S. Loginov Moscow Clinical Scientific Center, 111123 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Irina N.","family":"Voynovan","sequence":"additional","affiliation":[{"name":"A.S. Loginov Moscow Clinical Scientific Center, 111123 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mariia A.","family":"Kiriukova","sequence":"additional","affiliation":[{"name":"A.S. Loginov Moscow Clinical Scientific Center, 111123 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6581-7017","authenticated-orcid":false,"given":"Maria A.","family":"Livzan","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine and Gastroenterology, Omsk State Medical University, 644099 Omsk, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Igor E.","family":"Khatkov","sequence":"additional","affiliation":[{"name":"A.S. Loginov Moscow Clinical Scientific Center, 111123 Moscow, Russia"},{"name":"Department of Propaedeutic of Internal Diseases and Gastroenterology, A.I. Yevdokimov Moscow State University of Medicine and Dentistry, 127473 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,9,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1353","DOI":"10.1136\/gutjnl-2015-309252","article-title":"Kyoto global consensus report on Helicobacter pylori gastritis","volume":"64","author":"Sugano","year":"2015","journal-title":"Gut"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1724","DOI":"10.1136\/gutjnl-2022-327745","article-title":"Management of Helicobacter pylori infection: The Maastricht VI\/Florence consensus report","volume":"71","author":"Malfertheiner","year":"2022","journal-title":"Gut"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"228","DOI":"10.1016\/j.humpath.2004.12.008","article-title":"Staging and grading of chronic gastritis","volume":"36","author":"Rugge","year":"2005","journal-title":"Hum. 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