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Image Number 989 (Lichen planus)

 
Morphology:
Papules

Diagnosis: Lichen planus

Site: Back

Sex: F

Age: 54

Type: Clinical

Description: Classical violaceus LP papues on the upper back

Submitted by: Nameer Al-Sudany

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Differential Diagnosis

History:

Lichen planus (LP) is a chronic papulosquamous inflammatory dermatosis of unknown aetiolgy, probably autoimmune in origin clinically characterized by 5Ps (pruritic, purplish, polygonal, plain-topped papules). It mainly affects adult people of both sexes. This lady has had severely pruritic classical LP rash on her upper back, face and extremities of more than one year duration. Some lesions especially on upper limbs have left residual postinflammatory brownish hyperpigmentation.



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