Pityriasis lichenoides et varioliformis acuta (PLEVA) is a disease of the immune system. It is the more severe version of pityriasis lichenoides chronica. The disease is characterized by rashes and small lesions on the skin.
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PLEVA (pityriasis lichenoides et varioliformis acuta)
Pityriasis lichenoides et varioliformis acuta (PLEVA), eyaziwa ngokuba yi‑Mucha‑Habermann disease, yimeko yolusu enqabileyo eyenza irhashalala ebomvu‑brown kunye ne‑scaly patches. I‑papules inokuhamba phambili kwenza i‑vesicles, i‑pustules, kunye nezilonda, kwaye ezi zilonda zinokudibana ne‑pruritus okanye ukuvutha komlilo. Le rash ithambekele ekuphindaphindeni nasekuphumeni (relapse and remission) ngexesha eliguquguqukayo, ngamanye amaxesha ihlala iminyaka. I‑PLEVA idla ngokuchaphazela isiqu kunye neengalo ezikufutshane nemilenze, ngakumbi kwiindawo eziguqukayo (flexural regions). Pityriasis lichenoides et varioliformis acuta (PLEVA), also known as Mucha-Habermann disease, is an uncommon cutaneous inflammatory rash characterized by diffuse red-brown papules in various stages with a mica-like scale on more established lesions. The papules may progress to form vesicles, pustules, and ulcers, and these lesions can be associated with pruritus or a burning sensation. PLEVA favors the trunk and proximal extremities, especially in the flexural regions. This rash tends to relapse and remit with variable duration, sometimes lasting up to years.