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Keratosis pilaris (KP; also follicular keratosis, lichen pilaris, or colloquially chicken skin. [1]) is a common, autosomal-dominant, genetic condition of the skin's hair follicles characterized by the appearance of possibly itchy, small, gooseflesh-like bumps, with varying degrees of reddening or inflammation. [2]
In large-cohort studies, all patients aged 50 and older had at least one seborrheic keratosis. [22] Onset is usually in middle age, although they are common in younger patients too, as they are found in 12% of 15-year-olds to 25-year-olds, which makes the term "senile keratosis" a misnomer.
Cutaneous squamous-cell carcinoma (cSCC), also known as squamous-cell carcinoma of the skin or squamous-cell skin cancer, is one of the three principal types of skin cancer, alongside basal-cell carcinoma and melanoma. [10] cSCC typically presents as a hard lump with a scaly surface, though it may also present as an ulcer. [1]
Maritza I. Perez, MD, FAAD, a professor of dermatology in Connecticut, performs 36 skin-cancer surgeries a week, 12 per day for each of the three days she sees patients.
Actinic keratosis treatments. Treatment may include liquid nitrogen, scraping, chemical peels or other therapies to remove the actinic keratosis. Read more about actinic keratosis and how to treat it.
Dermatofibromas [4] are hard solitary slow-growing papules (rounded bumps) that appear in a variety of colours, usually brownish to tan. They are often elevated or pedunculated . A dermatofibroma is associated with the dimple sign ; by applying lateral pressure, there is a central depression of the dermatofibroma.
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Synovectomies are normally carried out by shaving the lining of the knee but there are other ways of achieving this by either freezing the synovium or by the use of radiation treatment. The need for further procedures is greater than 25% although normally the frequency of the required removal of loose bodies is reduced by the previous synovectomy.