Age spots (liver spots) - Symptoms & causes - Mayo Clinic
网页2022年2月11日 · Age spots are small, flat dark areas on the skin. They vary in size and usually appear on areas exposed to the sun, such as the face, hands, shoulders and arms. Age spots are also called sunspots, liver spots and solar lentigines.
Actinic keratosis - Symptoms & causes - Mayo Clinic
网页2022年12月17日 · An actinic keratosis (ak-TIN-ik ker-uh-TOE-sis) is a rough, scaly patch on the skin that develops from years of sun exposure. It's often found on the face, lips, ears, forearms, scalp, neck or back of the hands.
Mayo Clinic Q and A: Treating sunspots
网页2017年9月26日 · Because they are a result of sun damage to the skin, the spots are most common on areas of the body that have frequent sun exposure, such as the face, shoulders and hands. Laser therapy, as well as a treatment called intense pulsed light, can treat pigmented skin lesions, including sunspots.
Sun damage - Mayo Clinic
网页2023年6月24日 · Sun damage. Enjoying activities outside or working a job that takes you outdoors can mean hours under the sun. Over months and years, those hours add up, and the time in the sun may damage your skin. Read on to learn about skin conditions that can be caused by too much sunshine.
Melanoma pictures to help identify skin cancer - Mayo Clinic
网页2023年12月16日 · Melanoma pictures for self-examination. Melanoma is a serious form of skin cancer. It often can be cured if found early. These melanoma pictures can help show you what to look for. The American Academy of Dermatology advises watching skin spots for: Asymmetry. Border irregularity. Color changes.
Age spots (liver spots) - Diagnosis & treatment - Mayo Clinic
网页2022年2月11日 · Learn more about the harmless dark spots on your skin that tend to appear as you age, especially in areas exposed to the sun. Treatment is available. Skip to content
Tinea versicolor - Symptoms & causes - Mayo Clinic
网页2024年7月13日 · Sun exposure may make tinea versicolor more apparent. Tinea versicolor, which is also called pityriasis versicolor, is not painful or contagious. But it can lead to emotional distress or self-consciousness. Antifungal creams, lotions or shampoos can help treat tinea versicolor.
White patch on skin: A cause for concern? - Mayo Clinic
网页2023年10月3日 · A small white patch on skin may have several causes, including eczema, psoriasis and vitiligo.
Actinic keratosis - Diagnosis & treatment - Mayo Clinic
网页2022年12月17日 · Have you noticed more changes in the affected skin? Is the condition bothersome? Have you had many sunburns or very bad sunburns? How often are you exposed to sun or ultraviolet (UV) radiation? Do you protect your skin from UV radiation when you go outdoors?
Mayo Clinic Minute: Dermatologist explains light therapy for skin
网页2024年4月11日 · Dermatologists advise their patients to avoid harmful ultraviolet light, which can cause skin damage, photoaging and skin cancer. But they also may prescribe light therapy to treat certain skin conditions.