A black spot like a mole on the tongue can be caused by pigmented nevus, excessive friction, hemangioma and other factors.
1. Pigmented nevus: when melanocytes are distributed in clusters in the mucous membrane of the tongue, pigmented nevus can be formed, which has a clear boundary with the normal mucous membrane and has a more uniform color, and is usually not accompanied by pain and other uncomfortable symptoms.
2. Excessive friction: the tongue chewing food for a long time can lead to excessive friction at the tongue, which can show the performance of small black spots, or due to the tongue bite and other injuries, resulting in localized hemorrhagic spots and petechiae at the tongue mucosa, which can show the performance of a long black spot.
3. Hemangioma: When hemangioma of tongue occurs, it can lead to the appearance of dark purple or black papule nodules of different sizes on the tongue, and the performance of black dots can appear, and the volume can be increasing, which can lead to the appearance of eating difficulties, breathing difficulties, and slurred speech and other symptoms.
If a black spot on the tongue looks like a mole, one should consult a doctor as soon as possible, and under the guidance of a specialized doctor, actively carry out appropriate treatment, which will help to alleviate the uncomfortable symptoms as soon as possible.