kerrostaso

Kerrostaso, also known as stratified keratosis or actinic keratosis, is a common precancerous skin condition characterized by rough, scaly patches that develop on sun-exposed areas of the skin. It primarily affects individuals with fair skin who have had significant exposure to ultraviolet (UV) radiation, often due to prolonged sun exposure or tanning bed use. Kerrostaso typically appears as small, rough, or crusty spots that may be flesh-colored, pink, or reddish-brown, and can sometimes feel like sandpaper.

The condition arises from abnormal growths of keratinocytes, the cells responsible for producing keratin, a protective protein found in the outermost layer of the skin. While kerrostaso itself is not cancerous, it can progress to squamous cell carcinoma, a type of skin cancer, if left untreated. Risk factors include aging, fair skin, a history of sunburns, weakened immune systems, and exposure to certain chemicals or environmental pollutants.

Diagnosis is usually made through a visual examination by a dermatologist, though a biopsy may be performed to confirm the presence of abnormal cells. Treatment options vary depending on the severity and number of lesions but may include topical medications such as creams or lotions containing ingredients like 5-fluorouracil or imiquimod, cryotherapy (freezing the affected area with liquid nitrogen), or surgical removal. In some cases, photodynamic therapy (PDT) or laser treatments may be recommended.

Prevention of kerrostaso involves minimizing sun exposure by wearing protective clothing, using broad-spectrum sunscreen with a high SPF, and avoiding tanning beds. Regular skin self-exams and annual dermatological check-ups can help detect and address any suspicious changes early. Early intervention significantly reduces the risk of progression to skin cancer.