The main points tongue cancer is diagnosed

1, and good lateral margin of the tongue in 1 / 3, Showed infiltration or collapse soup block. 2, tumor location corresponding often chronic stimulation factors exist, such as root, residual crown or bad repair; may also exist, such as leukoplakia precancerous lesions. 3, and the pain is obvious, radiotherapy to ear temporal and semi- face. 4, tumor-infiltrating to tongue nerves and hypoglossal nerve, it can have tongue numb tongue movements and obstacles arise words, eating and swallowing difficulties. 5, lymph node metastasis more, earlier, to the most deep cervical lymph node see; can also occur distant metastasis to lung metastasis common. 6, in accordance with the general history of violations can be tongue cancer at the end of the floor of mouth cancer of the mouth and tongue in identification.