Argon Plasma Coagulation Versus Endoscopic Mucosal Resection for Gastric Adenoma (CLER-GA)

Gastric adenomas with low-grade dysplasia (LGD) are considered precancerous lesions of the stomach. While these lesions carry a lower risk of progressing to gastric cancer compared with high-grade dysplasia, there is still uncertainty about the best way to manage them. International medical guidelines differ in their recommendations, and for very small lesions (1 cm or smaller), some guidelines provide no clear direction. This creates uncertainty for both patients and physicians about whether to treat these lesions or simply observe them over time. Two endoscopic treatment methods are widely used in clinical practice: endoscopic mucosal resection (EMR) and argon plasma coagulation (APC). EMR involves lifting and cutting out the lesion. Its major advantage is that it removes the lesion completely and allows for detailed pathological examination. However, EMR can be technically more demanding, takes more time, and may carry higher risks of complications such as bleeding or perforation. It also usually involves higher medical costs. In contrast, APC is a technique that uses ionized argon gas and electrical current to coagulate tissue without direct contact. APC is simpler to perform, takes less time, and is generally less invasive. Patients undergoing APC may have shorter hospital stays, lower costs, and fewer complications. However, APC does not provide a specimen for pathology, so complete removal of the lesion cannot be confirmed. This means there is a possibility of local …

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