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  2. Dermatosis papulosa nigra - Wikipedia

    en.wikipedia.org/wiki/Dermatosis_papulosa_nigra

    Dermatosis papulosa nigra (DPN) is a condition of many small, benign skin lesions on the face, a condition generally presenting on dark-skinned individuals. [1]: 638–9 DPN is extremely common, affecting up to 30% of Black people in the US. [2] From a histological perspective, DPN resembles seborrheic keratoses. [3]

  3. Dyshidrosis - Wikipedia

    en.wikipedia.org/wiki/Dyshidrosis

    Dyshidrosis is a type of dermatitis, characterized by itchy vesicles of 1–2 mm in size, on the palms of the hands, sides of fingers, or bottoms of the feet. [8] Outbreaks usually conclude within three to four weeks, but often recur. [4] [8] Repeated attacks may result in fissures and skin thickening. [7] The cause of the condition is not ...

  4. Whitlow - Wikipedia

    en.wikipedia.org/wiki/Whitlow

    A whitlow or felon is an infection of the tip of the finger. [ 1 ] [ 2 ] [ a ] Herpetic whitlow and melanotic whitlow (subungual melanoma) are subtypes that are not synonymous with the term felon . A felon is an "extremely painful abscess on the palmar aspect of the fingertip". [ 6 ]

  5. List of skin conditions - Wikipedia

    en.wikipedia.org/wiki/List_of_skin_conditions

    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 ]

  6. Herpetic whitlow - Wikipedia

    en.wikipedia.org/wiki/Herpetic_whitlow

    A herpetic whitlow is a herpes lesion , typically on a finger or thumb, caused by the herpes simplex virus (HSV). Occasionally infection occurs on the toes or on the nail cuticle. Occasionally infection occurs on the toes or on the nail cuticle.

  7. Hyperpigmentation - Wikipedia

    en.wikipedia.org/wiki/Hyperpigmentation

    Hyperpigmentation can be diffuse or focal, affecting such areas as the face and the back of the hands. Melanin is produced by melanocytes at the lower layer of the epidermis . Melanin is a class of pigment responsible for producing color in the body in places such as the eyes, skin, and hair.