随着医疗技术的不断发展,纤维胃镜在临床上的应用日益广泛。套扎术是以治疗内痔的弹性橡皮环结扎原理为基础的治疗方法,并在食管静脉曲张治疗中取得了令人满意的疗效。上消化道息肉是最常见的一种良性肿瘤,组织学上分为增生性息肉和腺瘤性息肉。有些恶变早期的腺瘤样息肉病灶小 With the continuous development of medical technology, the use of fiber endoscopy in clinical applications has become increasingly widespread. Ligation is a treatment based on the principle of elastic rubber band ligation for internal hemorrhoids, and has achieved satisfactory results in the treatment of esophageal varices. Upper gastrointestinal polyps are the most common benign tumors, histologically divided into hyperplastic polyps and adenomatous polyps. Some early malignant adenomatous polyp lesions are small