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Skin Problems & Treatments Health Center

Medical Reference Related to Skin Problems & Treatments

  1. Acanthosis Nigricans

    Acanthosis nigricans. This is a descriptive term for a velvety or verrucous brown-to-black area of hyperkeratosis. The axilla and posterior are the most common locations, but lesions are also seen on the anterior neck and in the groin. Less commonly, there is involvement in the antecubital and popliteal fossae, on the knuckles, and in other, nonflexural areas. Onset may occur during childhood or adult life. The histologic pattern is that of hyperkeratosis and papillomatosis; the brownish discoloration seems to be caused by these surface changes rather than by any local increase in the amount of melanin. Illustrated here are lesions of acanthosis nigricans on the anterior neck and in the axilla.

  2. Urticaria

    Urticaria. Wheals with white-to-light-pink color centrally and peripheral erythema in a close-up view. These are the classic lesions of urticaria. It is characteristic that they are transient and highly pruritic.

  3. Geographic Tongue

    Geographic tongue. There is a peculiar condition of the tongue that takes the form of denudations of the lingual surface in patches of redness that shift in position from time to time over hours and days. The cause of the condition is not known; there may be some relationship to psoriasis. No treatment is effective. The condition is largely asymptomatic except for slight tingling when sharp food is taken.

  4. Rosacea: When to See Your Doctor

    People with mild rosacea might not even ask their doctors about it. But whether you have been diagnosed with rosacea or not, there are some signs you shouldn't ignore.

  5. Psoriasis Vulgaris

    Psoriasis vulgaris, scalp and nail findings. Pinpoint pits and distal onycholysis (so-called "oil-spot" discoloration) seen in the fingernails of a child with psoriasis.

  6. Sunburn (First-Degree Burns)

    Most sunburns cause mild pain and redness but affect only the outer layer of skin (first-degree burn). The red skin might hurt when you touch it.

  7. Sunburn (Second Degree)

    Skin that is red and painful and that swells up and blisters may mean that deep skin layers and nerve endings have been damaged (second-degree burn).

  8. Atopic Dermatitis or Eczema

    Eczema is a skin condition caused by inflammation. Atopic dermatitis is the most common of the many types of eczema.

  9. Telangiectasias Before Treatment

    Prominent facial telangiectasias prior to treatment with intense pulse light.

  10. Sunburn

    A sunburn is skin damage from the sun's ultraviolet (UV) rays. Most sunburns cause mild pain and redness but affect only the outer layer of skin (first-degree burn).

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