Gastric protruding lesions are frequently encountered by health screening esophagogastroduodenoscopy. They can be classified into epithelial lesion and subepithelial lesion. Epithelial gastric lesions are generally divided into benign and malignant. Benign lesions include some types of polyps, i.e., hyperplastic polyp, fundic gland polyp, and gastric adenoma. Malignant lesions include carcinoid, early gastric cancer and advanced gastric cancer. They can be accurately diagnosed by magnifying endoscopy or narrow band imaging. Here, I will discuss benign and malignant epithelial lesions of the stomach.
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Jin Tae Jung (2013) studied this question.
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