Common head and neck cancer

      head and neck cancer is the most common malignant tumor, especially in southern coastal areas of China, the incidence c

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      head and neck cancer is the most common malignant tumor, especially in southern coastal areas of China, the incidence can be as high as 30 ~ 50 / 100 thousand. The mortality rate of nasopharyngeal carcinoma accounts for 2.81% of all malignant tumors, ranking the first in the eighth place, with a high incidence of age from 40 to 60 years. Followed by thyroid cancer, the incidence rate of about 3.5 / 100 thousand, mainly in young women, the high incidence of age from 35 to 55 years old. The third is the salivary gland tumors (including parotid gland, submandibular gland, sublingual gland, salivary glands), the incidence rate of about 3 / 100 thousand, of which 80% occurred in the parotid gland, submandibular gland, 10% in 1% in the remaining distribution in the sublingual gland, minor salivary gland. The proportion of men and women is quite good, in the middle and old people. The common head and neck malignant tumors and oral cavity cancer (including the tongue, buccal mucosa, gingiva, hard palate, soft palate, mouth floor, tonsil), laryngeal carcinoma, malignant lymphoma, unknown primary site of metastatic cervical cancer, head and neck cancer and soft tissue sarcoma, scalp and skin of head and neck cancer and malignant melanoma tumor. In short, head and neck cancer accounted for about 5% of all malignant tumors, generally due to different living habits, the incidence of male was higher than female, age often from 30 to 40 years old, 40 ~ 60 years old was the highest after 60 years old gradually decreased. According to the different geographical distribution, nasopharyngeal carcinoma, thyroid carcinoma, malignant lymphoma and skin cancer were found in southern china.

 

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