Diagnosis: Lichen planus
Description: Violaceous papules.
Morphology: Violaceous
Site: Arm,forearm
Sex: F
Age: 57
Type: Clinical
Submitted By: Nameer Al-Sudany
Differential DiagnosisHistory: Pruritic, purplish, polygonal, plane-topped papules of 10 months duration on the extensor surfaces of the forearms and legs in a middle-aged woman. The hair, nails and mucous membranes were not involved.