内科学-胃炎-课件.ppt

1、ppt课件1第四章第四章 胃炎胃炎ppt课件2ppt课件3ppt课件4ppt课件5 Gastritis represents a nonspecific inflammation of the stomach.Clinically,the three most common and important causes of gastritis are infection of nonsteroidal anti-inflammatory drugs(NSAIDs),and stress-related mucosal changes.(5p334)ppt课件6ppt课件7ppt课件8ppt课件9

2、ppt课件10ppt课件11ppt课件12ppt课件13Clinical features Nausea and vomiting are the most likely presenting symptoms,together with indigestion.Acute gastrointestinal if gastritis is severe.Asymptomatic.(2p109)ppt课件14ppt课件15Diagnosis and investigation Often made on clinical grounds,e.g.History of non-steroidal

3、anti-inflammatory drugs,heavy alcohol consumption,etc.Endoscopy appearance can vary from superficial erosions to haemorrhage secondary to acute ulceration.(2p109)ppt课件16ppt课件17ppt课件18Superficial gastritis)(The inflammatory cell are confined to the pit rigion)(There is variable gland loss,which is of

4、ten accompanied by intestinal metaplasia.)ppt课件19(Intestinal metaplasia)：ppt课件20(dysplasia)：ppt课件21ppt课件22ppt课件23ppt课件24Helicobacter pylori H.pylori is a gram-negative,curved,flagellated rod found only in gastric epithelium or in gastric metaplastic epithelium.H.pylori is a noninvasive organism that

5、 colonizes the mucus layer overlying gastric epithelium.Factors important in the organisms ability to colonize the stomach to adhere to the mucus layer,and production of urease.Urease increases juxtamucosal pH,creating a more hospitable microclimate than that of the acidic stomach.(5p334)ppt课件25ppt课

6、件26ppt课件27ppt课件28ppt课件29ppt课件30Clinic features Most cases are asymptomatic.Symptoms are similar to those of acute gastritis,but occurring over a period of time.Pernicious anaemia due to loss of intrinsic factor secretion for vitamin B12 absorption occurs in patients with autoimmune gastritis.ppt课件31

7、 胃液分析胃液分析 血清学检查血清学检查 胃镜检查及活检胃镜检查及活检 幽门螺杆菌检查幽门螺杆菌检查 X线检查线检查 维生素维生素B12吸收检查吸收检查ppt课件32ppt课件33ppt课件34ppt课件35ppt课件36ppt课件37ppt课件38ppt课件39ppt课件40ppt课件41ppt课件42ppt课件43ppt课件44ppt课件45ppt课件46ppt课件47 幽门螺杆菌感染的胃炎治疗幽门螺杆菌感染的胃炎治疗 无幽门螺杆菌的胃炎治疗无幽门螺杆菌的胃炎治疗ppt课件48ppt课件49ppt课件50ppt课件51ppt课件52ppt课件53 巨大肥厚性胃炎巨大肥厚性胃炎 痘疹样胃炎痘疹样胃炎 残胃炎残胃炎 腐蚀性胃炎腐蚀性胃炎ppt课件54ppt课件55ppt课件56ppt课件57ppt课件58ppt课件59ppt课件60ppt课件61