广州医科大学（广州医学院）：《病理学》课程教学资源（PPP课件，四，英文版）etiology

DIGESTIVE SYSTEM DISEASE Li shuhua

DIGESTIVE SYSTEM DISEASE Li shuhua

o The gastrointestinal disease o The liver and The biliary disease

⚫ The Gastrointestinal Disease ⚫ The Liver and The Biliary Disease

The Gastrointestinal Disease gastritis 二、 peptic ulcer the gastrointestinal carcinoma

The Gastrointestinal Disease ⚫一、gastritis ⚫二、peptic ulcer ⚫三、the gastrointestinal carcinoma

gastritis ●(-) acute gastritis ●(二) chronic gastritis

一、 gastritis ⚫（一）acute gastritis ⚫ ⚫（二）chronic gastritis

(一) acute gastritis ●1、 acute irritated gastritis ●2、 acute hemorrhagic gastritis ●3、 acute corrosive gastritis o 4 acute infective gastritis

（一） acute gastritis ⚫ 1、 acute irritated gastritis ⚫ 2、 acute hemorrhagic gastritis ⚫ 3、 acute corrosive gastritis ⚫ 4、 acute infective gastritis

(二) chronic gastritis ● Pathologic types 1 chronic superficial gastritis 2 chronic atrophic gastritis

（二） chronic gastritis ⚫ Pathologic types 1、 chronic superficial gastritis 2、 chronic atrophic gastritis

etiology o 1. chronic irritation o 2. reflux of the duodenal juice 3. autoimmune injury o 4. helicobacter pylori

etiology ⚫ 1.chronic irritation ⚫ 2.reflux of the duodenal juice ⚫ 3.autoimmune injury ⚫ 4.helicobacter pylori

chronic superficial gastritis o Mostly happened: 20-40% o Distributed diffusely, mainly in py lorus antrum

chronic superficial gastritis ⚫ Mostly happened：20-40% ⚫ Distributed diffusely，mainly in pylorus antrum

morpho⊥ogy 1.inflammatory changes limit to the upper 1/3 of the mucosa 2. a lymphocytic and plasma cell infiltrate in the upper mucosa 3. swelling degeneration and necrosis of the superficial mucosal epithelium

morphology ⒈inflammatory changes limit to the upper 1／3 of the mucosa； ⒉ a lymphocytic and plasma cell infiltrate in the upper mucosa； ⒊swelling 、degeneration and necrosis of the superficial mucosal epithelium

:家 蒸 · C ∴∷氵了;