Definition The term actinic keratosis describes a precancerous stage of skin cancer (precancerosis) that requires treatment and is triggered by chronic exposure to sunlight (UV light). It is the proliferation of atypical skin cells (keratinocytes) in the area between the dermis and the epidermis, which manifests itself as a cornification disorder. The keratosis can later … Actinic keratosis
Degrees of actinic keratosis Actinic keratosis can be divided into different degrees and types. The Olsen classification classifies actinic keratosis according to its clinical appearance. This means that the appearance as well as the nature of the skin changes are used as classification criteria. There are three degrees according to Olsen which are explained in … Degrees of actinic keratosis | Actinic keratosis
Symptoms of actinic keratosis Actinic keratoses are mainly found in places that are exposed to increased light, i.e. the forehead or a bald head, auricles, cheeks, bridge of nose, lower lip, forearms or back of the hand. Isolated or several foci can occur at once, which can have a diameter of 1 mm to 2.5 … Symptoms of actinic keratosis | Actinic keratosis
Diagnosis Mostly the diagnosis is made clinically, i.e. on the basis of the symptoms and the visible and palpable findings on the skin. To confirm the diagnosis, a skin sample (biopsy) should be taken and pathological and histological examinations should be performed. A skin sample can also be used with an incident light microscope to … Diagnosis | Actinic keratosis
Forecast If actinic keratosis is detected and treated in time, the prognosis is generally good. Otherwise, it can develop into a carcinoma, i.e. a spinalioma or squamous cell carcinoma. It is also possible, for example after treatment with PDT, that the disease will recur (relapse). For this reason, constant follow-up examinations should be carried out. … Forecast | Actinic keratosis
Introduction Skin lesions in babies are not uncommon and in very few cases can indicate skin cancer. There are various skin tumors, also called melanomas, which can occur at a young age. These include sarcomas (rhabdosarcoma, angiosarcoma, fibrosarcoma), neuroblastomas and other nerve tumors as well as skin lymphomas. However, only about 0.3 percent of all … Baby skin cancer
Therapy The therapy of choice for white skin cancer is surgical removal.A certain safety distance must be maintained, i.e. the doctor removes not only the tumor but also the normal looking skin around the tumor so that no diseased cells remain hidden. In the case of spinalioma, the safety distance is greater than in basal … Therapy | Baby skin cancer
Diagnosis The diagnosis initially consists of a detailed clarification of risk factors such as frequent exposure to sunlight, previous illnesses, tumors in the family. This is followed by a physical examination, in which not only suspicious skin changes but also the rest of the body is examined, especially in poorly visible areas such as gluteal … Diagnosis | Baby skin cancer
