{"id":5461,"date":"2019-11-03T22:29:53","date_gmt":"2019-11-03T22:29:53","guid":{"rendered":"https:\/\/www.institutoendoscopiaavanzada.com\/2019\/11\/03\/eliminacion-de-tumores-submucosos-digestivos-por-via-endoscopica-poet\/"},"modified":"2023-11-07T16:39:07","modified_gmt":"2023-11-07T16:39:07","slug":"eliminacion-de-tumores-submucosos-digestivos-por-via-endoscopica-poet","status":"publish","type":"post","link":"https:\/\/www.institutoendoscopiaavanzada.com\/en\/eliminacion-de-tumores-submucosos-digestivos-por-via-endoscopica-poet\/","title":{"rendered":"Endoscopic removal of digestive submucosal tumors (POET)"},"content":{"rendered":"<div class=\"lRu31\"><strong><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">What are digestive submucosal tumors?<\/span><\/span><\/span><\/strong><\/div>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">Digestive submucosal tumors are tumors that originate below the mucosal layer, the most superficial layer of the intestine, which is intact.<\/span><\/span> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">When a tumor grows from the mucosa (the so-called polyps) it is generally easy to remove it using simple mucosectomy techniques.<\/span><\/span> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">However, when a tumor arises in a submucosal layer, it is generally not possible to remove it in this way, and a surgical resection is required, in which part of the affected organ generally has to be removed.<\/span><\/span> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">Most submucosal lesions are formed by muscle, nervous or neuroendocrine tissue (nerve cells that produce hormones), and are most common in the upper digestive tract.<\/span><\/span> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">In the esophagus, the most common are leiomyomas, which are humors formed by smooth muscle, and in the stomach, Gist (stromal tumors).<\/span><\/span><\/span><\/p>\n<div class=\"lRu31\"><strong><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">How are they treated?<\/span><\/span><\/span><\/strong><\/div>\n<div><\/div>\n<div class=\"lRu31\"><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">As a general rule, at the time of diagnosis, the majority of these tumors are benign, however a percentage of them can become malignant tumors, which is why tumor follow-up is generally performed by enchoendoscopy on an annual basis.<\/span><\/span> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">Or if the tumor has grown or there are doubts about its behavior, its removal is recommended at that time.<\/span><\/span><\/span><\/div>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">Until very recently, tumors could not be removed endoscopically and required aggressive surgery to remove them.<\/span><\/span> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">In the case of the esophagus, it was necessary to remove a part of the esophagus as well. And in the case of lesions located in the stomach, approximately one third of the stomach had to be resected to be able to remove them.<\/span><\/span> <\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">Nowadays we can perform endoscopic removal of lesions that require it, without the need to resect the organ where they are located, that is, eliminate only and exclusively the tumor while preserving the normal anatomy of the organism.<\/span><\/span> <\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">It is what we know as POET (Per oral endoscopic tumorectomy).<\/span><\/span> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">The POET consists of making a small incision in the mucosa, about 2 cm, located about 5 cm before reaching the tumor, to subsequently create a tunnel in the submucosa between the mucosa and muscle layers.<\/span><\/span> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">Subsequently, the tunnel extends until it reaches the tumor.<\/span><\/span> <\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">At this time, the myotomy, removal of the tumor and its separation from the rest of the structures are performed, but all within the tunnel, leaving the mucosa intact, which will later cover this cut.<\/span><\/span> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">The tumor is removed through the small incision that we made at the beginning in the mucosa.<\/span><\/span> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">The technique ends by suturing the entry hole to the mucosa with staples.<\/span><\/span> <\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">It is performed in the operating room and under orotracheal intubation and lasts approximately 90 minutes, with expected discharge in less than 48 hours.<\/span><\/span> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">In the Unit, the POET technique is performed to eliminate digestive submucosal tumors, which is the least aggressive treatment for these tumors and is currently available in very few National centers and none in the private sector.<\/span><\/span> <\/span><\/p>\n<p><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">It is one of the new minimally aggressive tunneling and endoscopic surgery techniques.<\/span><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What are digestive submucosal tumors? Digestive submucosal tumors are tumors that originate below the mucosal layer, the most superficial layer of the intestine, which is intact. When a tumor grows [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25,23],"tags":[],"class_list":["post-5461","post","type-post","status-publish","format-standard","hentry","category-diseases","category-open-classes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Endoscopic removal of digestive submucosal tumors (POET) - Instituto de Endoscopia Digestiva Avanzada<\/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:\/\/www.institutoendoscopiaavanzada.com\/eliminacion-de-tumores-submucosos-digestivos-por-via-endoscopica-poet\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Endoscopic removal of digestive submucosal tumors (POET) - Instituto de Endoscopia Digestiva Avanzada\" \/>\n<meta property=\"og:description\" content=\"What are digestive submucosal tumors? Digestive submucosal tumors are tumors that originate below the mucosal layer, the most superficial layer of the intestine, which is intact. 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