Abstract
Relevance: In recent years, significant breakthroughs have occurred in the endoscopic treatment of cancerous and precancerous lesions
 of the gastrointestinal tract. Endoscopic mucosal resection (EMR) is a simple and effective method of treating most benign gastrointestinal
 tract lesions. However, with the introduction of endoscopic submucosal dissection (ESD) and full-thickness endoscopic resection (EFTR), the
 ЛЕЧЕНИЕ
 38 Онкология и Радиология Казахстана, №4 (70) 2023
 volume of lesions subject to endoscopic treatment has significantly expanded even in the colon. Currently, these methods are regularly used
 not only for the treatment of benign tumors but also for complex resection of early stages of colorectal cancer. For the first time in Kazakhstan,
 the presented article analyzed the cases of endoscopic removal of epithelial formations of the large intestine performed at an oncological clinic
 from 2020 to 2023.
 The aim was to evaluate the use of endoscopic treatment of early colorectal cancer.
 Methods: The article presents a retrospective analysis of 68 cases of endoscopic removal of epithelial formations of the colon performed from
 2020 to 2023 at the Center of Expert Endoscopy and Interventional Radiology of the National Scientific Cancer Center (Astana, Kazakhstan).
 Results: In 2020-2023, 68 endoscopic extractions of colon tumors were performed, including 25 outpatient and 43 inpatient manipulations.
 Out of 43 inpatient cases, endoscopic dissection in the submucosal layer was performed in 9 cases, and endoscopic mucosal resection of tumors
 of the large intestine was performed in 34 cases. Morphologically, we found hyperplastic polyps in 11 cases, lipomas in 2 cases, tubulovillous
 adenomas with mild dysplasia – 43 cases, tubulovillous adenomas with severe dysplasia – 11 cases, carcinoma in situ – 3 cases, and adenocarcinoma with invasion – 3 cases.
 Conclusion: When detecting benign neoplasms with dysplasia and early colorectal cancer, minimally invasive technologies (EMR, ESD,
 EFTR) should be the first preferred treatment method and only if they cannot be performed and there is a high risk of invasion into the underlying layers, and therefore, if endoscopic treatment is not radical, clinicians should choose surgical radical treatment. Patients should
 be informed about the availability of the latest methods of local treatment in the Republic through the financing of the Compulsory Medical
 Insurance Fund (CMIF)
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