There are many reasons for black material on genitals, such as pigmented nevus, melanoma, hyperpigmentation, subcutaneous bruising and so on.
1. Pigmented nevus: it is a benign skin tumor of melanocyte origin, which is divided into congenital and acquired can occur in any part of the body’s skin, so it may lead to black on the genitals.
2. Melanoma: a malignant tumor of melanocyte origin, which may also lead to black genitals.
3. Hyperpigmentation: After recovering from trauma, infection, eczema and other diseases, it may cause skin hyperpigmentation, which may also cause black color on genitals.
4. Subcutaneous bruising: Purpura, trauma and other causes, resulting in subcutaneous bruising caused by subcutaneous capillary rupture, can also lead to black on the genitals.
The black genitals, there may be other reasons, it is recommended to go to the hospital in time to check, clarify the cause of the disease, follow the doctor’s instructions for treatment.