Dermatitis, atopic
A skin disease characterized by areas of severe itching, redness, scaling, and loss of the surface of the skin (excoriation). When the eruption (rash) has been present for a prolonged time, chronic changes occur due to the constant scratching and rubbing known as lichenification (thickening of the skin with accentuation of the skin lines to form a crisscross pattern). This disorder usually affects young children on the face and extensor surfaces of the arms and legs (elbow and knee sides). Older children and adults are usually affected on the sides of the neck and on the inside of the elbow and knee. Atopic dermatitis is frequently associated with other atopic (allergic) disorders, especially asthma and allergic rhinitis (hayfever). A defect of the immune system within the skin has been shown, but the reason for this is unknown.

Medical dictionary. 2011.

Look at other dictionaries:

  • Atopic dermatitis — Classification and external resources Atopic dermatitis ICD 10 L20 …   Wikipedia

  • Dermatitis herpetiformis — Classification and external resources Dermatitis herpetiformis characteristic rash ICD 10 L …   Wikipedia

  • atopic — (ˈ)ā|täpik, (ˈ)a| , əˈ , ēk adjective Etymology: in sense 1, from a (II) + Greek topos place + English ic; in sense 2, from atopy + ic more at topic 1. of an organ of the body : not in the …   Useful english dictionary

  • Dermatitis — Classification and external resources Dermatitis of the hand. ICD 10 L20 L …   Wikipedia

  • atopic — [ā täp′ik, ətäp′ik] adj. designating or of any of various allergic conditions, including a type of dermatitis and a type of asthma, that are thought to be inherited …   English World dictionary

  • dermatitis — /derr meuh tuy tis/, n. Pathol. inflammation of the skin. [1875 80; DERMAT + ITIS] * * * or eczema Inflammation of the skin, usually itchy, with redness, swelling, and blistering. Causes and patterns vary. Contact dermatitis appears at the site… …   Universalium

  • Dermatitis — Inflammation of the skin, either due to direct contact with an irritating substance, or to an allergic reaction. Symptoms of dermatitis include redness, itching, and in some cases blistering. There are two types of dermatitis: eczematous (eczema) …   Medical dictionary

  • atopic dermatitis — a common, chronic type of dermatitis, thought to be hereditary, sometimes associated with other allergic conditions such as allergic rhinitis, hay fever, or asthma. Severe pruritus leads to scratching, rubbing, and typical signs of eczema. In… …   Medical dictionary

  • atopic dermatitis — noun a severe form of dermatitis characterized by atopy • Syn: ↑atopic eczema • Hypernyms: ↑dermatitis …   Useful english dictionary

  • atopic eczema — noun a severe form of dermatitis characterized by atopy • Syn: ↑atopic dermatitis • Hypernyms: ↑dermatitis …   Useful english dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”