2022年12月17日 · Actinic keratoses are scaly spots or patches on the top layer of skin. With time they may become hard with a wartlike surface. Also known as a solar keratosis, an actinic keratosis grows slowly and usually first appears in people over 40.

2024年9月16日 · An actinic keratosis is a rough, scaly patch on your skin caused by too much exposure to the ultraviolet rays of the sun or tanning devices. Actinic keratoses (the plural form) can also be...

Actinic keratosis is a precancerous scaly spot found on sun-damaged skin, also known as solar keratosis. It may be considered an early form of cutaneous squamous cell carcinoma (a keratinocyte cancer ).

Actinic keratoses characteristically appear as thick, scaly, or crusty areas that often feel dry or rough. Size commonly ranges between 2 and 6 millimeters, but they can grow to be several centimeters in diameter. AKs are often felt before they are seen, and the texture is sometimes compared to sandpaper. [9] .

What is actinic keratosis? Actinic keratosis is a rough, scaly patch or bump on the skin. It’s also known as a solar keratosis. Actinic keratoses are very common, and many people have them. They are caused by ultraviolet (UV) damage to the skin. Some actinic keratoses can turn into squamous cell skin cancer.

2022年11月7日 · Actinic (solar) keratoses are rough, scaly spots that usually appear on your hands, arms, or face. They’re sometimes also called age spots or sun spots. They typically have a diameter of under...

View images and learn the warning signs and symptoms for the precancer actinic keratosis (AK) and how to spot it early.

2022年12月17日 · For actinic keratoses, some basic questions to ask include: Are tests needed to confirm the diagnosis? What are my treatment options and the pros and cons of each?

2020年12月4日 · Actinic keratosis (AK) causes rough, scaly skin patches. Left untreated, AK can lead to a skin cancer called squamous cell carcinoma. The best way to prevent AK is to protect yourself from sun damage. If you notice new red or rough bumps on your skin, call your healthcare provider for diagnosis and treatment. What is actinic keratosis?

An actinic keratosis (AK) develops when skin has been badly damaged by ultraviolet (UV) light from the sun or indoor tanning. The brown spots on this man’s face may look like age spots, but they’re actually actinic keratoses. Left untreated, some actinic keratoses (AKs) turn into a type of skin cancer called squamous cell carcinoma.