Lichen Planus Part -1

Introduction

• Papulosquamous disease

• Possibly of an autoimmune cause

• Characterized by violaceous papule flat top papule & pruritic.

• Response to corticosteroid

• Heals with pigmentation

Clinical features

Skin:• Violaceous• Pruritic• Polygonal flat top papule• Heals with pigmentation• Wickham’s stria• Koebner ‘s phenomenon

Lichen Planus

LP

Koebner

LP

Conti.Nail:• Pterygium• Longitudinal ridges• Dystrophic nail

Mucosa :• Lacy whitish streaks• Whitish plaques

Types• Classical• Linear LP• Actinic LP• Follicular LP (Lichen plano pilaris)• Hypertrophic LP• Annular LP• Guttate LP• Eruptive LP• Lichen planus pigmentosus• Dug induced reaction• Photocontact lichenoid reaction

Lichen Planus Part -1

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