What are the causes of nasopharyngeal carcinoma

summary

Found out suffering from nasopharyngeal carcinoma, the doctor said that it is late, which is early, the doctor said that surgical treatment. In the hospital, we learned something about?? Let's share the etiology of nasopharyngeal carcinoma.

What are the causes of nasopharyngeal carcinoma

First, family history is more common in NPC patients. In recent years, EB virus infection has been considered to be closely related to the occurrence of nasopharyngeal carcinoma. However, EB virus widely exists in people all over the world, and the occurrence of nasopharyngeal carcinoma has obvious regional characteristics, which indicates that EB virus infection is not the only cause of nasopharyngeal carcinoma.

Second, environmental factors may be related to a variety of chemical carcinogens, such as nitrosamines and trace element nickel. In addition, vitamin deficiency and sex hormone imbalance can change the sensitivity of mucosa to carcinogens. The rate of lymphocyte transformation and natural petal formation decreased, and the delayed skin anaphylaxis test weakened.

Third: Residents in high incidence areas are fond of local salted fish, bacon and pickles. The content of nitrite in these foods is extremely high, and there is a certain amount of nitrosamines and many kinds of compounds.

matters needing attention

Radiotherapy is always the first choice for nasopharyngeal carcinoma. The 5-year survival rate is about 45%. Chemotherapy was used after radiotherapy to improve the curative effect and reduce the radiation reaction. If the tumor recurres after radiotherapy or is not sensitive or even ineffective to radiotherapy, surgery can be used. At present, the recovery rate of nasopharyngeal carcinoma is still very high.