There is a big birthmark on the back of my thigh since I was a child. As I grow older, he has also grown up a little. Recently, I learned about melanoma. Please help me see if this birthmark is right. If so, how to deal with it and what will happen if not. This birthmark is a little peeling. If you tear off the peeling place, it will itch. If you don't move, it's okay and doesn't hurt.
At present, it may be caused by simple pigmentation. Considering the possibility of nevus, it is not caused by malignant melanoma. At present, it may be caused by congenital causes. It can only be removed by surgery. Secondly, it can be improved by skin grafting or skin flap transfer.
According to your description of symptoms, and further combined with the photos you sent, this birthmark phenomenon, which has existed since childhood, seems to belong to the phenomenon of "congenital pigmented nevus", which refers to pigmented nevus at birth, with the possibility of malignant transformation. It is suggested to go to a regular hospital and register the dermatology clinic for examination. You can do dermatoscopy, surgical treatment, and then do pathological examination for diagnosis. At ordinary times, we must pay attention not to stimulate digging and scratching local skin.
Hello, according to the situation you described, I suggest you go to the dermatology department of a regular hospital for face-to-face diagnosis. After a clear diagnosis, you can treat the symptoms. First, you can carry out a small part of local resection and pathological section examination. If the pathological section is diagnosed as a melanoma, it can be completely removed. If it is a birthmark, it can be treated by laser.