Black raised induration of skin

There are many reasons for the induration of black protrusions on the skin, and the morphology may be more diverse. The more common ones are skin fibroma and skin fibroma, which are benign hyperplasia of skin formed after insect bite or scratch trauma. They are manifested as a black protrusion induration, without tenderness, and pressed down to infiltrate deeply. However, if you want to make a further diagnosis, you still need to make a face-to-face diagnosis, that is, a dermatologist who has specifically seen the skin and then further decides, if necessary, you need to remove the scleroma to exclude other tumor diseases. Because there are some benign hyperplasia of the skin or benign tumors or tumors formed by other reasons, they can also be manifested as black scleroma of the skin, which looks very similar in appearance. only pathological examination can further distinguish and diagnose.