M Álvarez Díez, I Magide Yáñez, J Otero Figar, A Fernández Rodríguez, D Muiño Domínguez
{"title":"Gallstone ileus diagnosed via magnetic resonance enterography as a rare cause of bowel obstruction.","authors":"M Álvarez Díez, I Magide Yáñez, J Otero Figar, A Fernández Rodríguez, D Muiño Domínguez","doi":"10.1016/j.rgmxen.2026.09.002","DOIUrl":"https://doi.org/10.1016/j.rgmxen.2026.09.002","url":null,"abstract":"","PeriodicalId":74705,"journal":{"name":"Revista de gastroenterologia de Mexico (English)","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149077024","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
N Méndez-Sánchez, M M Ramírez-Mejía, C Cortez-Hernández, E M Tovar-Bojorquez, R Contreras-Omaña, J D Monsiváis-Morales, J Cordova-Gallardo, M Castillo-Barradas, N Guzmán-Rodríguez, M S González-Huezo, A Sandez-Araiza, E Cerda-Reyes, S Cornejo-Hernandez, B Barranco-Fragoso, A D Cano-Contreras, J M Remes-Troche, F Higuera-de-la-Tijera, J L Pérez-Hernández, N Chávez-Tapia, F J Valentin-Cortez, I Montalvo-Gordon, R R Lozano-Salazar, M Sabanes-Hernández, I Borbolla-Schega, H Rodríguez-Hernández
{"title":"The increasing burden of primary biliary cholangitis-related cirrhosis in Mexico: Evidence from a contemporary multicenter cohort.","authors":"N Méndez-Sánchez, M M Ramírez-Mejía, C Cortez-Hernández, E M Tovar-Bojorquez, R Contreras-Omaña, J D Monsiváis-Morales, J Cordova-Gallardo, M Castillo-Barradas, N Guzmán-Rodríguez, M S González-Huezo, A Sandez-Araiza, E Cerda-Reyes, S Cornejo-Hernandez, B Barranco-Fragoso, A D Cano-Contreras, J M Remes-Troche, F Higuera-de-la-Tijera, J L Pérez-Hernández, N Chávez-Tapia, F J Valentin-Cortez, I Montalvo-Gordon, R R Lozano-Salazar, M Sabanes-Hernández, I Borbolla-Schega, H Rodríguez-Hernández","doi":"10.1016/j.rgmxen.2026.02.003","DOIUrl":"https://doi.org/10.1016/j.rgmxen.2026.02.003","url":null,"abstract":"<p><strong>Introduction and aims: </strong>Primary biliary cholangitis (PBC) is a chronic autoimmune cholestatic liver disease characterized by the progressive destruction of the intrahepatic bile ducts that leads to cholestasis, fibrosis, and cirrhosis. In recent decades, its prevalence and incidence have increased worldwide, but there are limited data on its behavior in Latin America. The present study aimed to provide up-to-date information on the prevalence of CBP-related cirrhosis in a contemporary cohort and compare current trends with those of previous cohorts.</p><p><strong>Materials and methods: </strong>A retrospective multicenter study was conducted that included 2,182 patients diagnosed with cirrhosis from 13 Mexican referral hospitals, within the time frame of 2018 and 2024. Demographic, etiologic, and clinical data were collected. The prevalence of cirrhosis secondary to PBC was compared with national cohorts from 2004 and 2018. Differences were evaluated using the two-tailed z-test for proportions, with statistical significance set at a P < .05.</p><p><strong>Results: </strong>The PBC was established as a growing cause of cirrhosis, primarily affecting women above 60 years of age. Cases increased significantly from 5.7% in 2004 to 8.5% in 2024 (P < .001), with a higher concentration in central Mexico.</p><p><strong>Conclusions: </strong>Our findings confirmed a sustained increase in PBC-related cirrhosis in Mexico over the past two decades. This increase underscores the need to improve early diagnosis, strengthen epidemiologic surveillance, and adapt regional therapeutic strategies for optimizing clinical results.</p>","PeriodicalId":74705,"journal":{"name":"Revista de gastroenterologia de Mexico (English)","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148972667","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Senecio biafrae leaf ethanol extract mitigates mercuric chloride-induced cytokeratin disruption and hepatic histoarchitecture in adult Wistar rats.","authors":"D O Adeyemi, A O Ibitoye","doi":"10.1016/j.rgmxen.2026.06.005","DOIUrl":"https://doi.org/10.1016/j.rgmxen.2026.06.005","url":null,"abstract":"<p><strong>Introduction and aims: </strong>Exposure to mercuric chloride (HgCl<sub>2</sub>) causes liver damage by disrupting the hepatic architecture, increasing oxidative stress, and altering cytokeratin integrity, resulting in hepatocyte fragility and impaired function. The present study evaluated the effects of Senecio biafrae leaf ethanol extract (SBLEE) on HgCl<sub>2</sub>-induced liver injury and cytoskeletal integrity.</p><p><strong>Materials and methods: </strong>Forty-two adult Wistar rats were divided into seven groups. The control group was given distilled water, whereas the other groups were given 4 mg/kg of mercuric chloride, orally, for 21 days, followed by either immediate sacrifice or a recovery period, and treatment with silymarin or various doses of SBLEE (300, 400, and 600 mg/kg) for 21 days.</p><p><strong>Results: </strong>The histologic, immunohistochemical, and biochemical studies showed that HgCl<sub>2</sub> significantly disrupted the hepatic architecture and cytokeratin networks, increased oxidative stress, and altered liver enzyme levels. Treatment with SBLEE restored cytokeratin integrity, reduced oxidative stress, and normalized the liver biomarkers, with results comparable to those of the silymarin and control groups.</p><p><strong>Conclusion: </strong>Our findings suggest that Senecio biafrae leaves have cytoprotective properties that help stabilize the hepatic cytoskeleton and preserve liver function after toxic injury.</p>","PeriodicalId":74705,"journal":{"name":"Revista de gastroenterologia de Mexico (English)","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148451035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Real-world impact of artificial intelligence on adenoma detection: A cross-sectional study at a single center in Lima, Peru","authors":"B. Guillen, R. Zambrano-Huailla, J.A. Chirinos","doi":"10.1016/j.rgmxen.2025.09.028","DOIUrl":"10.1016/j.rgmxen.2025.09.028","url":null,"abstract":"<div><h3>Introduction</h3><div>The use of artificial intelligence (AI) in endoscopic studies has grown in recent years. The present study evaluates the performance of AI in detecting polyps and adenomas in daily clinical practice.</div></div><div><h3>Materials and methods</h3><div>A cross-sectional study was conducted, in which AI-assisted colonoscopies (AIACs) performed between January 2021 and May 2024 were reviewed. Logistic regression was applied for adenoma detection, based on their characteristics.</div></div><div><h3>Results</h3><div>A total of 1,251 colonoscopies were reviewed. The patients in the AIAC group were older than the control group (59 ± 13 vs. 56 ± 12 years, <em>P</em> < .05). There were no differences between sex, procedure indication, bowel preparation, and procedure time. Regarding the primary aim, the AIAC group had a significantly higher polyp detection rate (58 vs. 52%; <em>P</em> < .05) and non-significantly higher adenoma detection rate (39 vs. 33%; <em>P</em> > .05), compared with the control group. In the analysis of adenoma characteristics, the identification of polypoid adenomas (OR: 1.28; 95% CI: 1.04-1.59), smaller 10 mm (OR: 1.41; 95% CI: 1.14-1.74), and located in the proximal colon (OR: 1.31; 95% CI: 1.05-1.65) was significantly higher in the AIAC group, compared with the control group.</div></div><div><h3>Conclusions</h3><div>The use of AI in colonoscopies resulted in a non-significant increase in the adenoma detection rate but a significant increase in detecting polypoid adenomas smaller than 10 mm and located in the proximal colon.</div></div>","PeriodicalId":74705,"journal":{"name":"Revista de gastroenterologia de Mexico (English)","volume":"91 2","pages":"Pages 200-206"},"PeriodicalIF":0.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148274310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"CUCrohn, a hasty, non-specific term for a questionable entity","authors":"J.A. Teco Cortes","doi":"10.1016/j.rgmxen.2025.10.037","DOIUrl":"10.1016/j.rgmxen.2025.10.037","url":null,"abstract":"","PeriodicalId":74705,"journal":{"name":"Revista de gastroenterologia de Mexico (English)","volume":"91 2","pages":"Pages 289-290"},"PeriodicalIF":0.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148274312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Predictive capacity of IgA anti-tissue transglutaminase antibody levels for identifying intestinal villous atrophy in persons with celiac disease: An observational study at a referral center in Mexico City","authors":"A. Rubio-Tapia","doi":"10.1016/j.rgmxen.2026.05.001","DOIUrl":"10.1016/j.rgmxen.2026.05.001","url":null,"abstract":"","PeriodicalId":74705,"journal":{"name":"Revista de gastroenterologia de Mexico (English)","volume":"91 2","pages":"Pages 153-154"},"PeriodicalIF":0.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148007433","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M.Á. Valdovinos-Díaz, A. Lopez-Colombo, M.J. Schmulson-Wasserman
{"title":"Rebamipide as adjuvant therapy in Helicobacter pylori eradication regimens","authors":"M.Á. Valdovinos-Díaz, A. Lopez-Colombo, M.J. Schmulson-Wasserman","doi":"10.1016/j.rgmxen.2026.06.004","DOIUrl":"10.1016/j.rgmxen.2026.06.004","url":null,"abstract":"","PeriodicalId":74705,"journal":{"name":"Revista de gastroenterologia de Mexico (English)","volume":"91 2","pages":"Pages 286-287"},"PeriodicalIF":0.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148240777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
E. Granda Villanueva, B. Mesonero de la Cruz, C. González Rodríguez, H. González Sánchez, M. Izquierdo Romero
{"title":"Proctitis due to Chlamydia trachomatis: A diagnostic challenge for the endoscopist","authors":"E. Granda Villanueva, B. Mesonero de la Cruz, C. González Rodríguez, H. González Sánchez, M. Izquierdo Romero","doi":"10.1016/j.rgmxen.2026.01.001","DOIUrl":"10.1016/j.rgmxen.2026.01.001","url":null,"abstract":"","PeriodicalId":74705,"journal":{"name":"Revista de gastroenterologia de Mexico (English)","volume":"91 2","pages":"Pages 262-263"},"PeriodicalIF":0.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146044507","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A.A. Ramírez-Torres, L.A. Acosta-Calderón, C.E. García-Mendoza, R. Muñoz-Cabello, R.A. Almeda-Mendoza
{"title":"Intestinal obstruction and liver metastases secondary to carcinoma of the colon with a sarcomatoid component","authors":"A.A. Ramírez-Torres, L.A. Acosta-Calderón, C.E. García-Mendoza, R. Muñoz-Cabello, R.A. Almeda-Mendoza","doi":"10.1016/j.rgmxen.2025.08.005","DOIUrl":"10.1016/j.rgmxen.2025.08.005","url":null,"abstract":"","PeriodicalId":74705,"journal":{"name":"Revista de gastroenterologia de Mexico (English)","volume":"91 2","pages":"Pages 265-267"},"PeriodicalIF":0.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148240829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}