Actinic keratosis on the face or scalp

Actinic keratosis on the face or scalp is a common, chronic cutaneous disorder of the integumentary system characterized by premalignant epidermal dysplasia resulting from cumulative exposure to ultraviolet radiation Primarily affecting older, fair-skinned adults in chronically photoexposed regions, the condition frequently arises against a background of photodamaged skin and subclinical field cancerization Clinically, it manifests on facial skin and bald or thinning scalp areas as rough, sandpa...

Actinic keratosis on the face or scalp is a common, chronic cutaneous disorder of the integumentary system characterized by premalignant epidermal dysplasia resulting from cumulative exposure to ultraviolet radiation

Primarily affecting older, fair-skinned adults in chronically photoexposed regions, the condition frequently arises against a background of photodamaged skin and subclinical field cancerization

Clinically, it manifests on facial skin and bald or thinning scalp areas as rough, sandpaper-textured, erythematous, or hyperkeratotic macules, papules, or plaques

Clinically, it manifests on facial skin and bald or thinning scalp areas as rough, sandpaper-textured, erythematous, or hyperkeratotic macules, papules, or plaques Pathophysiologically, the lesions exhibit atypical proliferation and architectural disorganization of epidermal keratinocytes, carrying a recognized risk of malignant transformation into invasive cutaneous squamous cell carcinoma