When do you need genetic testing What are the dietary requirements after gastric cancer operation

1. Gene detection.

Gene detection is a method to analyze the genetic information of human body through blood, body fluid, cells and tissues. The carriers of gene detection can be RNA, DNA, protein and so on. The main purposes of gastric cancer gene detection are as follows: to provide basis for gastric cancer screening, early diagnosis of gastric cancer, to provide basis for treatment, to guide the use of chemotherapy, targeted drugs and other drugs. Gene detection for gastric cancer at present, gene detection with genetic detection and chemotherapy drug guidance is often used in clinic. Genetic testing is mainly aimed at patients or family members who are highly suspicious of the family history of gastric cancer, such as hereditary diffuse gastric cancer. The gene detection guided by chemotherapeutic drugs is mainly for the detection of chemotherapy resistance genes and the detection of targeted drug-related targets.

2. Dietary requirements after operation of gastric cancer.


Most or all of the stomach of patients with gastric cancer has been resected, at this time, we should not only pay attention to nutritional supplement, but also combine our own tolerance to diet, and adjust the amount and type of food intake according to gastric capacity. In general, the following eating principles should be followed: chew slowly, adjust food intake, eat a small number of meals, and selectively supplement nutrients.


In the early stage of postoperative gastric cancer, in order to adapt to the current situation of digestive tract reconstruction, diet should pay attention to the gradual transition, from dilute to thick, from vegetarian to meat, from a small amount to a large amount, and choose light, digestible, high-energy and high-protein food. Should develop good eating habits, regular and quantitative meals, adhere to a small number of meals. At the same time, alcohol and smoking should be prohibited; high-sodium, pickled, spicy and fried foods should be avoided; foods that are too hard, too cold, too sour and overheated should be avoided as far as possible.