Dirty neck L20.9

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

Dirty neck

Definition
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Frequently seen, typical result of lichenification of the neck and increased reticular pigmentation caused by inflammatory processes in connection with chronic atopic eczema.

Clinical features
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Flat, usually blurred, somewhat velvety pigmentation on the neck or the lateral parts of the neck; often accompanied by itching.

Literature
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  1. Colver GB et al (1987) The 'dirty neck'--a reticulate pigmentation in atopics. Clin Exp Dermatol 12: 1-4
  2. Humphreys F (1996) An histological and ultrastructural study of the 'dirty neck' appearance in atopic eczema. Clin Exp Dermatol 21: 17-19
  3. Leung DY, Bieber T (2003) Atopic dermatitis. Lancet 361: 151-160
  4. Seghers AC et al (2014) Atopic dirty neck or acquired atopic hyperpigmentation? An epidemiological andclinical
    study from the National Skin Centre in Singapore. Dermatology 229:174-182.

Incoming links (2)

Atopy; Atopy;

Outgoing links (1)

Atopic dermatitis (overview);

Disclaimer

Please ask your physician for a reliable diagnosis. This website is only meant as a reference.

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Last updated on: 29.10.2020