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Dermatophagia (from Ancient Greek δέρμα — lit.skin and φαγείαlit.eating) or dermatodaxia (from δήξις, lit.biting) [3] is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers.
This is a list of cutaneous conditions associated with internal malignancy; skin markers of internal cancer. [1] It does not include skin infections associated with cancer or cancers that spread to skin. [1] Some have stronger associations with cancers than others. [2]
There are several conditions of or affecting the human integumentary system that are associated with an increased risk of developing nonmelanoma skin cancer (i.e. squamous-cell carcinoma and basal-cell carcinoma ).
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.
Many skin conditions affect the human integumentary system —the organ system covering the entire surface of the body and composed of skin, hair, nails, and related muscle and glands. [1] The major function of this system is as a barrier against the external environment. [2] The skin weighs an average of four kilograms, covers an area of two square metres, and is made of three distinct layers ...
Skin cancer is the most common form of cancer, globally accounting for at least 40% of cancer cases. The most common type is nonmelanoma skin cancer, which occurs in at least 2–3 million people per year. This is a rough estimate; good statistics are not kept.
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] Just under the nail it typically appears as dark longitudinal streaks, and it may spread. [7]
Dave Portnoy says he "only had a basal," referring to basal cell carcinoma, the most common form of skin cancer.