1、pathology department of hebei medical university消化道腫瘤消化道腫瘤食管癌（食管癌（carcinoma of esophagus） 胃癌（胃癌（carcinoma of stomach)大腸癌大腸癌(carcinoma of large intestine)原發性肝癌（原發性肝癌（primary carcinoma of liver）病理教研室版權所有pathology department of hebei medical universitypathology department of hebei medical universitypat

2、hology department of hebei medical universitypathology department of hebei medical universitypathology department of hebei medical universitypathology department of hebei medical universitypathology department of hebei medical universitypathology department of hebei medical universitypathology depar

3、tment of hebei medical university病理變化和類型病理變化和類型：好發部位：胃竇部，尤其是小彎側；其好發部位：胃竇部，尤其是小彎側；其次為賁門部。次為賁門部。fundus of stomach 胃底胃底cardiac part 賁門部賁門部 body of stomach 胃體胃體 pyloric canal 幽門管幽門管 pyloric antrum 幽門竇幽門竇pyloric part 幽門部幽門部 this is the normal appearance of the stomach, which has been opened along the gre

4、ater curvature. the esophagus is at the left. in the fundus can be seen the lesser curvature. just beyond the antrum is the pylorus emptying into the first portion of duodenum is at the lower right. 根據胃癌浸潤胃壁的深度根據胃癌浸潤胃壁的深度分期分期黏膜層；黏膜層；黏膜下層；黏膜下層；肌層；肌層；漿膜漿膜the gastric fundal epithelium has long tubular

5、glands that are lined by pink-staining parietal cells as well as mucus cells.早期胃癌早期胃癌：無論范圍大小及是否有局部無論范圍大小及是否有局部淋巴結轉移，癌組織浸潤僅限于胃黏膜淋巴結轉移，癌組織浸潤僅限于胃黏膜層及黏膜下層層及黏膜下層。其術后。其術后5 5年生存率年生存率 90% 90% 。胃良、惡性潰瘍的區別胃良、惡性潰瘍的區別pathology department of hebei medical university分化pathology department of hebei medical university分期分期腫瘤范圍腫瘤范圍5 5年生存率年生存率% %a a腫瘤限于粘膜層（早期癌）腫瘤限于粘膜層（早期癌）100100b b1 1腫瘤侵及肌層，未穿透，無淋腫瘤侵及肌層，未穿透，無淋巴結轉移巴結轉移6767b b2 2腫瘤穿透肌層，無淋巴結轉移腫瘤穿透肌層，無淋巴結轉移5454c c1 1腫瘤未