The types of spots include freckles, chloasma, seborrheic keratosis, etc., which can be distinguished by patients’ medical history and clinical manifestations.
1. Freckles: mainly related to genetic factors, often appearing in facial areas exposed to sunlight, symmetrically distributed, such as the face, especially the nose, cheeks on both sides, usually pinpoint to rice grain-sized brown spots, the number of which varies.
2. Melasma: mostly related to heredity, ultraviolet radiation, endocrine disorders and other factors, it is most common in young and middle-aged women, with yellowish-brown or black patches, often distributed in the frontal bone, forehead, upper lip and other parts of the body.
3. Seborrheic keratosis: it is a kind of common epidermal benign tumor in the elderly, the cause of which is unknown, mostly related to heredity and skin aging. It is characterized by one or more yellowish or light brown patches, often occurring on the face, neck, back of the hands and other exposed areas.
There are many types of spots, which can be distinguished by medical history and clinical manifestations. If there are spots on the body, it is recommended to go to the local formal hospital for examination to clarify the cause of the disease.