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Lichen simplex chronicus - Anogenital in
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Lichen simplex chronicus - Anogenital in

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Contributors: Susan Burgin MD, Belinda Tan MD, PhD, Lowell A. Goldsmith MD, MPH, Benjamin K. Fisher MD
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Synopsis

Lichen simplex chronicus (LSC) is also known as neurodermatitis circumscripta. It is a thickening of the skin associated with lichenification. Lichenification means that the thickened skin has enhanced skin markings resulting from the friction of excessive scratching and rubbing secondary to itching. This skin finding can be associated with atopic dermatitis. Many times the itching is of an unknown cause. Individual papules may be observed as well (prurigo nodularis). If pruritus is generalized, consider systemic causes such as renal, thyroid, hematologic, or hepatic causes, or medications.

LSC is a chronic disorder that often affects older patients.

Codes

ICD10CM:
L28.0 – Lichen simplex chronicus

SNOMEDCT:
53891004 – Lichen simplex chronicus

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Last Updated: 02/21/2018
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Lichen simplex chronicus - Anogenital in
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Lichen simplex chronicus : Ankle, Eyelids, Lichenified plaque, Lower leg, Neck, Scrotum, Pruritus
Clinical image of Lichen simplex chronicus
Lichenified, scaly, hyperpigmented plaques on the lateral foot and ankle.
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