Ulcerated pityriasis lichenoides acuta on the arm
Keywords: PLEVA, Arm, Child, Crust, Pityriasis lichenoides et varioliformis acuta, Scale, Thickened erythematous plaques
Pityriasis lichenoides (PL) is an uncommon cutaneous rash of uncertain aetiology. The acute form, pityriasis lichenoides et varioliformis acuta (PLEVA), and the chronic form, pityriasis lichenoides chronica (PLC), sit at either end of a disease spectrum with many patients showing overlapping features.
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