{"id":2125,"date":"2025-11-27T16:40:23","date_gmt":"2025-11-27T16:40:23","guid":{"rendered":"https:\/\/blogs.bmj.com\/jmg\/?p=2125"},"modified":"2026-02-22T00:15:44","modified_gmt":"2026-02-22T00:15:44","slug":"expert-endoscopic-surveillance-in-cdh1-pathogenic-variant-carriers-seems-safe-even-after-positive-pt1a-biopsies","status":"publish","type":"post","link":"https:\/\/blogs.bmj.com\/jmg\/2025\/11\/27\/expert-endoscopic-surveillance-in-cdh1-pathogenic-variant-carriers-seems-safe-even-after-positive-pt1a-biopsies\/","title":{"rendered":"Expert endoscopic surveillance in CDH1 pathogenic variant carriers seems safe, even after positive (pT1a) biopsies (Contributed by Dr Patrick BENUSIGLIO)"},"content":{"rendered":"<p>In this retrospective study, Patrick Benusiglio and colleagues show that expert surveillance is safe in the hereditary diffuse gastric cancer syndrome. Among 20 CDH1 pathogenic variant carriers undergoing annual upper gastrointestinal endoscopy, none has developed aggressive signet ring cell carcinoma of the stomach, regardless of the presence of intramucosal (pT1a) cancer foci on biopsies. This work thus confirms the indolent nature of intramucosal lesions in this context. Their identification should not be seen as a formal indication for prophylactic total gastrectomy. (<a href=\"https:\/\/jmg.bmj.com\/content\/early\/2025\/11\/20\/jmg-2025-111222\">https:\/\/jmg.bmj.com\/content\/early\/2025\/11\/20\/jmg-2025-111222<\/a> )<!--TrendMD v2.4.8--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this retrospective study, Patrick Benusiglio and colleagues show that expert surveillance is safe in the hereditary diffuse gastric cancer syndrome. Among 20 CDH1 pathogenic variant carriers undergoing annual upper gastrointestinal endoscopy, none has developed aggressive signet ring cell carcinoma of the stomach, regardless of the presence of intramucosal (pT1a) cancer foci on biopsies. This [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/blogs.bmj.com\/jmg\/2025\/11\/27\/expert-endoscopic-surveillance-in-cdh1-pathogenic-variant-carriers-seems-safe-even-after-positive-pt1a-biopsies\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":123,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2125","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Expert endoscopic surveillance in CDH1 pathogenic variant carriers seems safe, even after positive (pT1a) biopsies (Contributed by Dr Patrick BENUSIGLIO) - JMG Contact blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.bmj.com\/jmg\/2025\/11\/27\/expert-endoscopic-surveillance-in-cdh1-pathogenic-variant-carriers-seems-safe-even-after-positive-pt1a-biopsies\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Expert endoscopic surveillance in CDH1 pathogenic variant carriers seems safe, even after positive (pT1a) biopsies (Contributed by Dr Patrick BENUSIGLIO) - JMG Contact blog\" \/>\n<meta property=\"og:description\" content=\"In this retrospective study, Patrick Benusiglio and colleagues show that expert surveillance is safe in the hereditary diffuse gastric cancer syndrome. Among 20 CDH1 pathogenic variant carriers undergoing annual upper gastrointestinal endoscopy, none has developed aggressive signet ring cell carcinoma of the stomach, regardless of the presence of intramucosal (pT1a) cancer foci on biopsies. This [...]Read More...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.bmj.com\/jmg\/2025\/11\/27\/expert-endoscopic-surveillance-in-cdh1-pathogenic-variant-carriers-seems-safe-even-after-positive-pt1a-biopsies\/\" \/>\n<meta property=\"og:site_name\" content=\"JMG Contact blog\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-27T16:40:23+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-22T00:15:44+00:00\" \/>\n<meta name=\"author\" content=\"hqqu\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@HuiQiQu\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"hqqu\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2025\\\/11\\\/27\\\/expert-endoscopic-surveillance-in-cdh1-pathogenic-variant-carriers-seems-safe-even-after-positive-pt1a-biopsies\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2025\\\/11\\\/27\\\/expert-endoscopic-surveillance-in-cdh1-pathogenic-variant-carriers-seems-safe-even-after-positive-pt1a-biopsies\\\/\"},\"author\":{\"name\":\"hqqu\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/#\\\/schema\\\/person\\\/be0250f8d5b52412c3e7c222dabd591b\"},\"headline\":\"Expert endoscopic surveillance in CDH1 pathogenic variant carriers seems safe, even after positive (pT1a) biopsies (Contributed by Dr Patrick BENUSIGLIO)\",\"datePublished\":\"2025-11-27T16:40:23+00:00\",\"dateModified\":\"2026-02-22T00:15:44+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2025\\\/11\\\/27\\\/expert-endoscopic-surveillance-in-cdh1-pathogenic-variant-carriers-seems-safe-even-after-positive-pt1a-biopsies\\\/\"},\"wordCount\":110,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/#organization\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2025\\\/11\\\/27\\\/expert-endoscopic-surveillance-in-cdh1-pathogenic-variant-carriers-seems-safe-even-after-positive-pt1a-biopsies\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2025\\\/11\\\/27\\\/expert-endoscopic-surveillance-in-cdh1-pathogenic-variant-carriers-seems-safe-even-after-positive-pt1a-biopsies\\\/\",\"url\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2025\\\/11\\\/27\\\/expert-endoscopic-surveillance-in-cdh1-pathogenic-variant-carriers-seems-safe-even-after-positive-pt1a-biopsies\\\/\",\"name\":\"Expert endoscopic surveillance in CDH1 pathogenic variant carriers seems safe, even after positive (pT1a) biopsies (Contributed by Dr Patrick BENUSIGLIO) - 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