重蹇普科大學 gqing Med山eal Universi
重蹇等科大学 ongging Medical University Ulcers heal by epithelial regeneration, which reconstitutes the mucosa,and progressive fibrosis.Later,shrinkage of the fibrous tissue may lead to pyloric stenosis the so-called hourglass deformity
Ulcers heal by epithelial regeneration, which reconstitutes the mucosa, and progressive fibrosis. Later, shrinkage of the fibrous tissue may lead to pyloric stenosis , the so-called hourglass deformity
重蹇暗科大骨 2.Clinical Features Most peptic ulcers cause epigastric gnawing,burning,or boring pain.The pain tends to be worse at night and occurs usually 1 to 3 hours after meals during the day.Classically,the pain is relieved by alkalis or food,but there are many exceptions.Nausea,vomiting, bloating,belching are additional manifestations
2.Clinical Features Most peptic ulcers cause epigastric gnawing, burning, or boring pain. The pain tends to be worse at night and occurs usually 1 to 3 hours after meals during the day. Classically, the pain is relieved by alkalis or food, but there are many exceptions. Nausea, vomiting, bloating, belching are additional manifestations
重麦等科大学 ongging Medical University 3.complications perforation,giving rise to spillage of gastric contents into the peritoneal cavity and peritonitis haemorrhage from eroded vessels in the ulcer base. malignant transformation is unknown with duodenal ulcers and is very rare with gastric ulcers. pyloric stenosis.Obstruction of the pyloric channel is rare
3.complications perforation, giving rise to spillage of gastric contents into the peritoneal cavity and peritonitis haemorrhage , from eroded vessels in the ulcer base. malignant transformation is unknown with duodenal ulcers and is very rare with gastric ulcers. pyloric stenosis. Obstruction of the pyloric channel is rare
重蹇暗科大学 gqing Med山eal University 4.Pathogenesis There are two key facts. 1.the fundamental requisite for peptic ulceration is mucosal exposure to gastric acid and pepsin. 2.there is a very strong causal association with H.pylori infection. Despite the clarity of these two statements,the actual pathogenesis of mucosal ulceration remains murky
4. Pathogenesis There are two key facts. 1.the fundamental requisite for peptic ulceration is mucosal exposure to gastric acid and pepsin. 2.there is a very strong causal association with H. pylori infection. Despite the clarity of these two statements, the actual pathogenesis of mucosal ulceration remains murky