Pityriasis Lichenoides et Varioliformis Acuta

**Semantic type:** Disease or Syndrome

**Definition:** A rare skin disorder of unknown etiology that is considered to be a more severe form of pityriasis lichenoides. It is characterized by itchy, burning papular lesions which form open sores with red-brown crusts. Low grade fever, headache, malaise, and arthralgias may occasionally precede or accompany the skin findings.

**Synonyms:** - PLEVA