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Lichen planus - Anogenital in
See also in: Overview,Nail and Distal Digit
Other Resources UpToDate PubMed

Lichen planus - Anogenital in

See also in: Overview,Nail and Distal Digit
Contributors: Jeffrey M. Cohen MD, Kudakwashe K. Maloney MD, MPhil, Belinda Tan MD, PhD, Susan Burgin MD
Other Resources UpToDate PubMed

Synopsis

Mucocutaneous lichen planus (LP) is a relatively common condition with varying clinical presentations. It can present in an individual with cutaneous LP or in isolation. Mucocutaneous LP may be erosive and ulcerative with significant scarring, pain, discomfort, and dysfunction, resembling lichen sclerosus, or present with thickened / hypertrophic lesions.

See oral lichen planus for oral mucosal presentation and lichen planopilaris for scalp presentation.

Certain medications may cause a lichenoid drug eruption, which is indistinguishable from typical LP.

Codes

ICD10CM:
L43.9 – Lichen planus, unspecified

SNOMEDCT:
4776004 – Lichen planus

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Differential Diagnosis & Pitfalls

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Therapy

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References

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Last Reviewed:05/06/2019
Last Updated:05/12/2019
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Patient Information for Lichen planus - Anogenital in
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Lichen planus - Anogenital in
See also in: Overview,Nail and Distal Digit
A medical illustration showing key findings of Lichen planus (Overview) : Forearm, Koebner phenomenon, Polygonal configuration, Purple color, Wickham striae, Widespread distribution, Wrist, Anterior lower leg, Pruritus
Clinical image of Lichen planus - imageId=21134. Click to open in gallery.  caption: 'Flat-topped violaceous polygonal papules, some annular, with fine white scale at the wrist.'
Flat-topped violaceous polygonal papules, some annular, with fine white scale at the wrist.
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