What does carbohydrate antigen CA199 normal explain?

summary

CA199 is the most important screening index for pancreatic cancer and hepatobiliary system cancer. Rectal cancer and gastric cancer will also increase. The normal value is 37, but tumor markers are non-specific indicators, that is, benign diseases will also increase. What does carbohydrate antigen CA199 normal explain? Next, I'd like to share my views with you.

What does carbohydrate antigen CA199 normal explain?

Carbohydrate antigen CA199 is a glycoprotein, which exists in pancreas and gallbladder. Pancreatic cancer, hepatobiliary and gastrointestinal diseases are the main causes of elevated serum CA199 levels, which also need to be combined with clinical symptoms and further diagnosis.

The common causes of glycosyl antigen elevation are: hepatitis, liver cirrhosis, pleural effusion, ascites, myocarditis, uterine fibroids, ovarian cysts, endometrial displacement, menstrual period, early pregnancy, ovarian cancer, etc. Elevated CEA is common in colorectal cancer, pancreatic cancer, gastric cancer, small cell lung cancer, breast cancer, medullary thyroid cancer, etc.

CA199 is the first choice tumor marker of pancreatic cancer, so it can also be seen in gallbladder cancer, acute pancreatitis and so on. It is a glycoprotein tumor marker of mucin type. It is a glycolipid on cell membrane and named after it is recognized by mouse monoclonal antibody 116ns19-9. It is the most sensitive marker for pancreatic cancer reported so far.

matters needing attention

It is suggested that we should first pay attention to whether there are digestive system diseases, go to the Department of Gastroenterology, check gastrointestinal endoscopy and abdominal CT, enteroscopy is the key item to check. Symptomatic treatment should be carried out after confirmation. Do not have too much psychological pressure at present, pay attention to rest.