Duodenum Case

Overall Comment

This case highlights the evaluation of an adenoma located in the second portion of the duodenum using various endoscopic imaging modalities, the ability to perform detailed anatomical distinction, and the safe closure of the post-resection defect using a minimally invasive suturing technique following advanced endoscopic resection. Imaging technologies such as TXI and NBI enabled clearer visualization of lesion margins and vascular patterns. During the ESD procedure, the enhanced contrast provided by TXI allowed for a clear distinction between the submucosa and muscularis propria layers. After resection, the defect was successfully closed using barbed sutures, thereby reducing the risk of complications. This case demonstrates how novel imaging modes facilitate precise preoperative assessment of duodenal lesions. Furthermore, it underscores how advances in endoscopic technology and instrumentation enable the minimally invasive treatment of premalignant lesions while also allowing for the effective prevention of potential adverse events.​