医学英语疾病介绍——Gastric-Carcinoma(胃癌).pptVIP

Gastric Cancer refers to cancer arising from any part of the stomach. Stomach cancer causes about 800,000 deaths worldwide per year. Gastric Carcinoma is the most common cause of death in malignant tumors of alimentary system in China. Location: mainly along the gastric lesser curvature side(80.3%), predominantly in the antrum (56.4%) A higher incidence in males than females with a ratio of 2:1~3:1. It usually appears in fourth and sixth decade of life. This form of gastric cancer is very common in Japan, Chile, and Iceland. Several different types of cancer can occur in the stomach. The most common type is called adenocarcinoma, which starts from one of the common cell types found in the lining of the stomach. Adenocarcinoma of the stomach is a common cancer of the digestive tract worldwide, The rate of most types of gastric adenocarcinoma has gone down over the years. Experts think the decrease may be because people are eating less salted, cured, and smoked foods. You are more likely to get?gastric cancer if you: Have a family history of gastric cancer Have an infection of the stomach by bacteria called Helicobacter pylori Had?a polyp larger than 2 centimeters in your stomach Have inflammation and swelling of the stomach for a long time (chronic atrophic gastritis) Have pernicious anemia Smoke Abdominal fullness(腹胀) or pain(疼痛), which may occur after eat a small meal Dark stools(黑便) Difficulty swallowing(吞咽困难), which becomes worse over time Excessive belching(嗳气/打嗝儿过度) General decline in health(全身健康机能减退) Loss of appetite(食欲缺乏) Nausea(恶心) Vomiting, which may contain blood(呕血) Weakness or fatigue(疲劳) Weight loss(体重减轻) Early gastric cancer:早期胃癌 The cancer have not invaded the muscularis propria(肌层) and are therefore limited to the mucosa(黏膜层) and submucosa(黏膜下层). Advance gastric carcinoma:进展期胃癌 The cancer have invaded the muscularis propria or even further and beyond the mucosa and submucosa. Protruded type (Ⅰ型 隆起型) Superficial type (Ⅱ型 表浅型) Superficial e