Actinic keratosis
(Redirected from Keratosis)
Actinic keratosis | |
---|---|
Synonyms | Solar keratosis, senile keratosis |
Pronounce | |
Specialty | Dermatology |
Symptoms | Rough, scaly patch on the skin |
Complications | Squamous cell carcinoma |
Onset | |
Duration | |
Types | |
Causes | Ultraviolet light exposure |
Risks | Fair skin, immunosuppression, age |
Diagnosis | Clinical diagnosis, biopsy |
Differential diagnosis | Seborrheic keratosis, basal cell carcinoma, squamous cell carcinoma |
Prevention | Sun protection, sunscreen |
Treatment | Cryotherapy, topical chemotherapy, photodynamic therapy |
Medication | 5-fluorouracil, imiquimod, diclofenac |
Prognosis | Good with treatment |
Frequency | Common in older adults |
Deaths | N/A |
Actinic keratosis (AK), also known as solar keratosis, is a rough, scaly patch on your skin that develops from years of exposure to the sun. It's most commonly found on the face, lips, ears, back of your hands, forearms, scalp, and neck.
Causes[edit | edit source]
The primary cause of actinic keratosis is prolonged exposure to ultraviolet (UV) radiation, either from sunlight or from tanning beds.
Symptoms[edit | edit source]
- Actinic keratoses start as thick, scaly, crusty skin patches. These patches are often less than 1 inch (2.5 centimeters) in diameter. They might be hard to see at first but are usually easier to feel. Other signs and symptoms include:
- Rough-textured skin
- Skin color changes
- Itching or burning in the affected area
Risk Factors[edit | edit source]
- Factors that increase your risk of actinic keratosis include:
- Having fair skin, blue or light-colored eyes, and blond or red hair
- Older age
- Chronic sun exposure
- History of sunburns
- Having a weak immune system
Treatment[edit | edit source]
- Treatment options for actinic keratosis include:
- Topical medications
- Cryotherapy (freezing the lesion with liquid nitrogen)
- Photodynamic therapy (a special light activates a chemical that kills the cells)
- Curettage (scraping off the lesion)
- Laser resurfacing
Prevention[edit | edit source]
To help protect yourself from developing actinic keratosis, minimize your sun exposure and protect your skin from UV radiation.
See Also[edit | edit source]
References[edit | edit source]
- "Actinic keratosis". Mayo Clinic.
- "Actinic Keratosis". American Academy of Dermatology Association.
- "Actinic Keratosis". American Cancer Society.
This article is a medical stub. You can help WikiMD by expanding it! | |
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