Which are the dangerous factor of hepatocarcinoma? 's prevention and health care

Which are the dangerous factor of hepatocarcinoma? 's prevention and health care
Hepatocarcinoma is one of the common malignant tumour in our country, its mortality ranks the third in digestive system malignant tumour, second only to gastric carcinoma and cancer of the esophagus, the emergence of hepatocarcinoma may relate to comprehensive function of many kinds of factors.
( 1) Virus hepatitis: There is about 31 in chronic hepatitis in the primary hepatocarcinoma patient, mainly antigen of surface of B-mode hepatitis virus (HBSAg) of the crowd of sending area of hepatocarcinoma Positive rate higher than low person who take place, and the intersection of serum and HBSAg and other the intersection of hepatitis B and positive rate of sign, patient of hepatocarcinoma, can reach 90%, higher than the healthy crowd notably, brief on the B-mode hepatitis virus to infect and relate to hepatocarcinoma. Find recently emergence with hepatitis C is close and relevant.
( 2) Liver cirrhosis: The person who amalgamates liver cirrhosis of primary hepatocarcinoma accounts for 50%~90%, liver cirrhosis after our country is mostly B-mode, C-mode virus hepatitis, in American-European countries, hepatocarcinoma often happens on the basis of alcohol liver cirrhosis. It is generally acknowledged snail fever and liver fiber, bile and silt and courageous and upright liver cirrhosis have no relations with emergence of the primary hepatocarcinoma.
( 3) Aflatoxin: Animal's experiment proves, it is carcinogenic to eat mould corn, peanut kernel, soybean, rapeseed oil,etc. produced by the fungus pollution of yellow song, this is because the supersession product aflatoxin B1 of the aflatoxin has strong carcinogenic function.
( 4) Drinking water pollution: Drinking water especially surface water often quilt organic carcinogen ' For instance six chlorine benzene, benzene, Zhyuan, much chlorine unite benzene etc.) Pollution. High report of Qidong of Jiangsu Province of taking place area of hepatocarcinoma, the hepatocarcinoma mortality of the residents taking place and drinking the well water in the residence which is drunk water of ditch pool has obvious differences, the morbidity of drinking the surface water is high. Find the blue green algate growing in the pond is a strong carcinogenic plant in recent years, can pollute the source of water.
( 5) Other chemical carcinogen: Some chemical materials such as inferior nitre amine, even nitrogen mustard, alcohol, organic chlorine pesticide,etc. are the carcinogen of hepatocarcinoma.
( 6) Parasite: Someone think liver China in the little bile duct prop up the intersection of testis and fluke, infect, can lead to the fact hepatocarcinoma.
Though people clear to dangerous factor that hepatocarcinoma take place according to of our country " change, defend mould to prevent hepatitis from by water " that national conditions put forward totally Seven -word policy, has already become an important measure that hepatocarcinoma of our country has prevented, and already demonstrated obvious function in the sending area of the height of hepatocarcinoma.
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