Symptoms of nevus nigra

summary

Nevus, also known as nevus cell nevus, is a pigmented lesion composed of nevus cells. It is usually called nevus, melanocytic nevus or nevus melanocytic nevus. It is the most common benign skin tumor. Nevus almost everyone has, can occur in any part of the body skin, the symptoms of nevus? Let's talk about it

Symptoms of nevus nigra

Pigmented nevus mostly occurs in children or adolescence, and can present as macular, papule, papilloma, verrucous, nodular or pedicled lesions. It can occur in any location, and the significant increase of the number has a certain risk of malignant melanoma.

Nevus size from a few millimeters to a few centimeters, or even a large area, often symmetrical, clear boundary, smooth edge, uniform color. According to the pigment content of nevus cells, the color can be yellow, brown or black, but it can also be blue, purple or near skin color. Some lesions may be penetrated by short thick black hair.

Congenital pigmented nevus has early pigmentation and large skin lesions, while acquired pigmented nevus needs certain stimulating factors. Under the effect of sun exposure, hormone, blister disease, immunosuppression or chemotherapy, nevus increases rapidly.

matters needing attention

Pay special attention. Do not use folk prescription or go to irregular medical institutions to remove nevus. Like that kind of beauty salon disposable point mole water, a little attention will leave scars. And the scar is permanent.