What is the cause of the many black blood spots on the epidermis of the testicles?

Many black blood spots on the epidermis of testicles may be caused by pigmented nevus, varicose veins of epidermal blood vessels, allergic purpura and other diseases.
1. Pigmented nevus: It is considered to be the pigmentation formed after the local nevus cells are gathered, which is usually displayed on the skin surface, so the black blood spots can be observed through the appearance.
2. Epidermal vascular varicose veins: when small vascular varicose veins appear on the epidermis of the scrotum, localized black blood spots can be observed through the appearance, usually without obvious pain.
3. Anaphylactic purpura: It is a skin disease that can be distributed in any part of the skin. When the capillary rupture, there will be blood spots, and may lead to ecchymosis formation on the skin.
There are a lot of black blood spots on the epidermis of the testicles, which may be caused by scrotal inflammation, scrotal eczema, hemangioma, etc. It is recommended to observe the testicles first, and if you can’t get rid of them or if they are uncomfortable, you need to consult a doctor in time.