Actinic Keratosis

Actinic keratosis (also called "solar keratosis" and "senile keratosis") is a premalignant condition of thick, scaly, or crusty patches of skin. It is more common in fair-skinned people and it is associated with those who are frequently exposed to the sun, as it is usually accompanied by solar damage. They are considered as potentially pre-cancerous, since some of them progress to squamous cell carcinoma, so treatment is recommended. Untreated lesions have up to 20 % risk of progression to squamous cell carcinoma.

Progressive development of these lesions occurs when skin is exposed to the sun constantly and thick, scaly, or crusty areas appear. The scaly or crusty portion is dry and rough. The lesions start out as flat scaly areas and later grow into a tough, wart-like area.

An actinic keratosis site commonly ranges between 2 and 6 millimeters in size, and may be dark or light, tan, pink, red, a combination of all these, or have the same pigment as the surrounding skin. The lesion may appear on any sun-exposed area, such as the face, ears, neck, scalp, chest, backs of hands, forearms, or lips.

Read more about Actinic KeratosisClassification, Incidence, Prevention, Diagnosis, Treatment, Research

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Actinic Keratosis - Prevention
... Preventive measures recommended for actinic keratosis are similar to those for skin cancer Not staying in the sun for long periods of time without protection (e.g ... entitled, "Human Papillomavirus-DNA Loads in Actinic Keratoses Exceed those in Non-Melanoma Skin Cancers", actinic keratosis may contain a significant amount of infectious human papillomavirus ... "HPV presents in significantly higher viral loads in actinic keratosis (AK), which are the precursor lesions of squamous cell carcinoma (SCC), than in SCC ...
List Of ICD-9 Codes 680–709: Diseases Of The Skin And Subcutaneous Tissue
... Acne aestivalis Hydroa vacciniforme Solar erythema Nonionizing Actinic rays Actinic keratosis Atrophic actinic keratosis Hyperkeratotic actinic keratosis Lichenoid actinic keratosis Pigmented ... Hair follicle nevus Intermittent hair–follicle dystrophy Keratosis pilaris atropicans Kinking hair Koenen's tumor Lichen planopilaris Lichen spinulosus ...
Photodermatosis
... aestivalis Hydroa vacciniforme Solar erythema Nonionizing Actinic rays Actinic keratosis Atrophic actinic keratosis Hyperkeratotic actinic keratosis Lichenoid actinic ...