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While only a small number of skin diseases account for most visits to the physician, thousands of skin conditions have been described. Classification of these conditions often presents many nosological challenges, since underlying etiologies and pathogenetics are often not known.
Infectious disease, dermatology. Tinea or ringworm is any of a variety of skin mycoses. [1] Tinea is a very common fungal infection of the skin. Tinea is often called "ringworm" because the rash is circular, with a ring-like appearance.
A skin condition, also known as cutaneous condition, is any medical condition that affects the integumentary system —the organ system that encloses the body and includes skin, nails, and related muscle and glands. [1] The major function of this system is as a barrier against the external environment. [2]
There are several types of dermatitis including atopic dermatitis, contact dermatitis, stasis dermatitis and seborrhoeic dermatitis. Dermatitis symptoms vary with all different forms of the condition.
Ichthyosis (also named fish scale disease) is a family of genetic skin disorders characterized by dry, thickened, scaly skin. The more than 20 types of ichthyosis range in severity of symptoms, outward appearance, underlying genetic cause and mode of inheritance (e.g., dominant, recessive, autosomal or X-linked).
Vitiligo ( / ˌvɪtɪˈlaɪɡoʊ /) is a chronic autoimmune disorder that causes patches of skin to lose pigment or color. [1] The cause of vitiligo is unknown, but it may be related to immune system changes, genetic factors, stress, or sun exposure. [5] [6] Treatment options include topical medications, light therapy, surgery and cosmetics. [6]
Acne, also known as acne vulgaris, is a long-term skin condition that occurs when dead skin cells and oil from the skin clog hair follicles. Typical features of the condition include blackheads or whiteheads , pimples , oily skin, and possible scarring .
Atopic dermatitis ( AD ), also known as atopic eczema, is a long-term type of inflammation of the skin ( dermatitis ). [2] It results in itchy, red, swollen, and cracked skin. [2] Clear fluid may come from the affected areas, which can thicken over time. [2]
Other causes producing skin ulcers include bacterial and viral infections, fungal infections and cancers. Blood disorders and chronic wounds can result in skin ulcers as well. Venous leg ulcers due to impaired circulation or a blood flow disorder are more common in the elderly.
Dermatology is the branch of medicine dealing with the skin. It is a speciality with both medical and surgical aspects. A dermatologist is a specialist medical doctor who manages diseases related to skin, hair, nails, and some cosmetic problems.
