Search results
Results from the WOW.Com Content Network
Acral lentiginous melanoma. Acral lentiginous melanoma is a type of skin cancer. [6] It typically begins as a uniform brownish mark before becoming darker and wider with a blurred irregular edge, most frequently seen in the foot of a person with darker skin. [6] It may become bumpy and ulcerate. [6]
Skin cancer is the most commonly diagnosed form of cancer in humans. [11] [12] [13] There are three main types of skin cancers: basal-cell skin cancer (BCC), squamous-cell skin cancer (SCC) and melanoma. [1] The first two, along with a number of less common skin cancers, are known as nonmelanoma skin cancer (NMSC).
Deaths. 59,800 (2015) [ 6 ] Melanoma is the most dangerous type of skin cancer; it develops from the melanin -producing cells known as melanocytes. [ 1 ] It typically occurs in the skin, but may rarely occur in the mouth, intestines, or eye (uveal melanoma). [ 1 ][ 2 ] In women, melanomas most commonly occur on the legs; while in men, on the ...
51,900 (2015) [9] 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]
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]
Paronychia is an inflammation of the skin around the nail, which can manifest suddenly, often due to the bacterium Staphylococcus aureus, or gradually, typically caused by the fungus Candida albicans. [2][3][4] The term originates from Greek παρά (para) 'around' and ὄνυξ (onyx) 'nail'. [5][6] Risk factors for paronychia include ...
Dermatologist. Dermatology is the branch of medicine dealing with the skin. [1][2] It is a speciality with both medical and surgical aspects. [3][4][5] A dermatologist is a specialist medical doctor who manages diseases related to skin, hair, nails, and some cosmetic problems. [2][6]
Lichen planus (LP) is a chronic inflammatory and autoimmune disease that affects the skin, nails, hair, and mucous membranes. [1][2] It is not an actual lichen, but is named for its appearance. [3] It is characterized by polygonal, flat-topped, violaceous papules and plaques with overlying, reticulated, fine white scale (Wickham's striae ...