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)
I‑Pityriasis lichenoides et varioliformis acuta (PLEVA), eyaziwa nangokuthi isifo se‑Mucha‑Habermann, yisimo sesikhumba esingavamile esibangela ukuqubuka okubomvu okunama‑scaly patches. Ama‑papules angathuthuka abe ama‑vesicles, ama‑pustules, noma izilonda, futhi lezi zilonda zingahlotshaniswa nokuluma noma ukuzwa okuvuthayo. Kuvame ukuvela noma kuzwakala njengokusha. I‑PLEVA ngokuvamile ithinta isiqu, izingalo, nemilenze engaphezulu, ikakhulukazi ezindaweni ezicindezelwe yisikhumba. I‑rash ingavela futhi ihambe ngokuhamba kwesikhathi, kanti kwezinye izimo ingahlala iminyaka. 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.