1. Overview.
Gastric cancer is a malignant tumor that occurs in gastric epithelial tissue, which can occur at any age, most of which are 50 ~ 60 years old, with few early diagnosis, short course of disease and poor prognosis. The ratio of male to female was (1.5 to 2.5): 1. It belongs to the categories of "Fu Liang" accumulation, "epigastric pain", "choking plug" and "stomach reversal" in traditional Chinese medicine.
2. Etiology and pathogenesis.(1) Pathogenesis.The incidence of gastric cancer is closely related to the following factors:1. Environmental and dietary factors, dietary factors are more important than environmental factors.two。. Smoked and pickled foods contain large amounts of nitrate and nitrite, which enter the body to form carcinogenic nitrosamide compounds, resulting in canceration of gastric mucosa.3. Ethnic and genetic factors.4. Precancerous lesions and Helicobacter pylori infection in stomach.(2) etiology and pathogenesis of traditional Chinese medicine.Traditional Chinese medicine believes that emotional factors, dietary factors, excessive drinking, or eating more spicy, dry and hot products, and weak body factors are the internal basis for the formation of tumors. Its pathogenesis is mainly worry and exasperation, lack of emotion or irregular diet, resulting in loss of liver and diarrhea, loss of stomach, or long-term illness injuring spleen and stomach, resulting in disharmony between liver and stomach; or deficiency of vital qi, especially deficiency of spleen and stomach, coupled with emotional and dietary disorders, lead to dereliction of duty, phlegm coagulation and qi stagnation, heat, toxin and blood stasis in the stomach, accumulate into lumps and cause the disease.
