Pityriasis lichenoides is an inflammatory skin disorder of unknown etiology. There are two variants with overlapping features: (1) pityriasis lichenoides chronica (PLC) and (2) pityriasis lichenoides et varioliformis acuta (PLEVA). Febrile ulceronecrotic Mucha-Haberman disease is a severe form of PLEVA with systemic manifestations.

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Pityriasis Lichenoides

  • Julie Prendiville

摘要

Pityriasis lichenoides is an inflammatory skin disorder of unknown etiology. There are two variants with overlapping features: (1) pityriasis lichenoides chronica (PLC) and (2) pityriasis lichenoides et varioliformis acuta (PLEVA). Febrile ulceronecrotic Mucha-Haberman disease is a severe form of PLEVA with systemic manifestations.