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Contributor

Ben Barankin, MD

Diagnosis

lichen planus

Body Site

forearm arm

Age

26 years

Pigmentation

light

Organization

linear

Color

purple

Morphology

papulosquamous (bump, scale)

Pattern

acral (centripetal - extremity predominant)

Comments

This 26-year-old man with biopsy proven lichen planus demonstrates a koebner or isomorphic phenomenon with pruritic purple papules in a linear organization on his arm.

Description

2-4 cm polygonal purple papules in a linear organization

Categories

koebner phenomenon (isomorphic phenomenon) papulosquamous eruptions linear eruptions

Image Added

3/2/2003 21:37:56

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Other Resources

PubMed Medline Plus Medscape

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