Diseases

Actinic keratosis

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Martina Feichter

Martina Feichter studied biology in Innsbruck with an optional subject in pharmacy and also immersed herself in the world of medicinal plants. From there it was not far to other medical topics that still captivate her today. She trained as a journalist at the Axel Springer Academy in Hamburg and has been working for lifelikeinc.com since 2007 - first as an editor and since 2012 as a freelance author.

More about the lifelikeinc.com experts Actinic keratosis (solar keratosis) is considered a precursor of spiny cell cancer. This is the second most common form of skin cancer. In some people, the skin lesions of actinic keratosis remain inconspicuous for years. At every tenth, however, the malignant skin tumor develops. Read more about the appearance and cause of Actinic Keratosis, Treatment and Prevention here!

ICD codes for this disease: ICD codes are internationally valid medical diagnosis codes. They are found e.g. in medical reports or on incapacity certificates. C46L57D03C43C44Article OverviewActic Keratosis

  • symptoms
  • Cause & Diagnosis
  • therapy
  • Prevent

Actinic keratosis: symptoms

In the early stages it is not easy for laymen to recognize an actinic keratosis: At one or more places it comes first to one sharply reddenedthat look like fine sandpaper feels. Later, the horny layer thickens and it forms thick, partly yellowish-brown horn deposits, Their diameter can be a few millimeters to a few centimeters. These skin changes do not cause discomfort such as itching or burning. But they can bleed more easily because of the increased vulnerability.

Preferred sites of actinic keratosis are the "Terraces" of the body. These include the bald head, forehead, pinna, nose, lower lip (actinic cheilitis), forearms, back of the hand and décolleté.

Actinic keratosis eventually becomes one in ten patients Spiny cell cancer (squamous cell carcinoma, spinalioma) above. For more information on the appearance of this skin cancer form and its precursor, see Skin cancer: Symptoms.

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Actinic Keratosis: Cause & Diagnosis

Actinic keratoses develop on skin areas that are too strong UV radiation (especially sunlight) were exposed. The skin changes often become visible only decades after the intensive exposure to sunlight: the UV light damages the skin cells and their genetic material. This results in altered cells (atypical cells), which multiply strongly in the upper skin layer - the horny layer thickens. This process is very slow over several years. Eventually, the cells can degenerate into a spinalioma.

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