Pityriasis lichenoides et varioliformis acuta jẹ arun ti eto ajẹsara. O jẹ fọọmu ti o nira diẹ sii ti pityriasis lichenoides chronica. Arun naa jẹ ifihan nipasẹ ìfarapa àti àwọn ọgbẹ́ kékeré lori awọ ara. Arun naa wọ́pọ̀ jùlọ nínú àwọn ọkùnrin àti pé ó máa ń ṣẹlẹ̀ ní ọdọ́. Ó sábà máa ń wò bí ọ̀ràn àkúnya (chickenpox) tàbí ìkòkò Staphylococcal. Biopsy ni a ṣe iṣeduro láti ṣe ìwádìí aisan yìí.
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) , ti a tun mọ ni arun Mucha-Habermann, jẹ ipo awọ ti o ṣọwọn ti o fa sisu-pupa-pupa pẹlu awọn abule ti o dabi mica. Awọn papules le ni ilọsiwaju lati dagba awọn vesicles, pustules, ati awọn ọgbẹ, ati pe awọn egbo wọnyi le ni nkan ṣe pẹlu pruritus tabi sisun sisun. PLEVA maa n kan ẹhin mọto ati awọn apa oke ati awọn ẹsẹ, paapaa ni awọn agbo awọ ara. Awọn sisu le wa ki o si lọ lori akoko, pípẹ fun ọdun ni awọn igba miiran. 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.