Ear spots may be caused by physiological factors such as sun exposure or pathological factors such as seborrheic keratosis and nevus pigmentosus.
1. Physiological factors: prolonged exposure to sunlight, no good sunscreen, ultraviolet rays can cause some damage to the ear skin, causing abnormal keratinization, the formation of pigmentation, can appear ear spots.
2. Pathological factors
(1) Seborrheic keratosis: with the growth of age, the skin may appear degenerative changes, and long-term exposure to ultraviolet radiation, which causes different flat patches, usually appear in all parts of the body skin, the ear will also be manifested in the phenomenon of long spots.
(2) Nevus pigmentosus: Nevus pigmentosus belongs to developmental abnormality, which is caused by localized aggregation of melanocytes in the process of moving from the neural crest to the epidermis from the bottom to the top. This leads to the symptoms of spots on the ears.
If the patient has the symptoms of spots on the ears, it is recommended to go to a professional hospital in time and actively cooperate with the doctor for treatment.