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Basal cell carcinoma (BCC): As the most common type of skin cancer, BCC accounts for 80% of all skin cancer diagnoses in the U.S., per AAD. Typically, BCC looks like a skin-colored, translucent ...
The skin weighs an average of four kilograms, covers an area of two square metres, and is made of three distinct layers: the epidermis, dermis, and subcutaneous tissue. [1] The two main types of human skin are: glabrous skin, the hairless skin on the palms and soles (also referred to as the "palmoplantar" surfaces), and hair-bearing skin. [3]
The area of skin involved can vary from small to covering the entire body. [1] [2] Dermatitis is also called eczema but the same term is often used for the most common type of skin inflammation, atopic dermatitis. [7] The exact cause of the condition is often unclear. [2] Cases may involve a combination of allergy and poor venous return. [1]
Irritant dermatitis is usually confined to the area where the irritating substance actually touched the skin, whereas allergic dermatitis may be more widespread on the skin. Irritant dermatitis is usually found on hands whereas exposed areas of skin. Symptoms of both forms include the following: Red rash: This is the usual reaction. The rash ...
Cherry angioma, also called cherry hemangioma [1] or Campbell de Morgan Spot, [2] is a small bright red dome-shaped bump on the skin. [3] It ranges between 0.5 – 6 mm in diameter and usually several are present, typically on the chest and arms, and increasing in number with age.
As children get older, the areas on the insides of the knees and folds of the elbows and around the neck are most commonly affected. [3] In adults, the hands and feet are commonly affected. [3] Scratching the affected areas worsens the eczema and increases the risk of skin infections. [2] Many people with atopic dermatitis develop hay fever or ...
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]
Senile pruritus is one of the most common conditions in the elderly or people over 65 years of age with an emerging itch that may be accompanied with changes in temperature and textural characteristics. [1] [2] [3] In the elderly, xerosis, is the most common cause for an itch due to the degradation of the skin barrier over time. [4]