Erythema annulare centrifugum - Eritema Annulare Centrifugum
https://en.wikipedia.org/wiki/Erythema_annulare_centrifugum
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References
Erythema Annulare Centrifugum 29494101 NIH
Erythema annulare centrifugum (EAC) – qizil toshmalar turi bo‘lib, halqa shaklida paydo bo‘ladi, tashqi tomonga tarqaladi va aniq markazni qoldiradi. EAC saraton tufayli yuzaga kelganda, u PEACE (paraneoplastic erythema annulare centrifugum eruption) deb ataladi. PEACE ayollarda ko‘proq uchraydi, ko‘pincha saraton tashxisi qo‘yilishidan oldin paydo bo‘ladi va davolanishdan keyin qaytib kelishi mumkin. EAC halqa shaklidagi toshmalarning asosiy turlaridan biri bo‘lib, boshqa asosiy figurali eritemalarga nisbatan o‘ziga xos xususiyatlarga ega (erythema marginatum, erythema migrans, and erythema gyratum repens).
Erythema annulare centrifugum (EAC) is an annular, erythematous lesion that appears as urticarial-like papules and enlarges centrifugally, then clears centrally. A fine scale is sometimes present inside the advancing edge, known as a trailing scale. Erythema annulare centrifugum is classified as a reactive erythema and has been associated with various underlying conditions, including malignancies. When erythema annulare centrifugum occurs as a paraneoplastic phenomenon, it has been designated PEACE (paraneoplastic erythema annulare centrifugum eruption). PEACE is more commonly seen in females, typically precedes the clinical diagnosis of malignancy, and may recur with subsequent relapses. EAC is one of the three major figurate erythemas, with EAC being the most common. These dermatoses share the common presentation of advancing erythematous, annular lesions, but are each separated by unique clinical and histopathologic characteristics. Once the other major figurate erythemas (erythema marginatum, erythema migrans, and erythema gyratum repens) are excluded, EAC often becomes a diagnosis of exclusion.
Erythema annulare centrifugum - Case reports 23286811Erythema annulare centrifugum (EAC) - dumaloq shakllarni hosil qiluvchi va ko'pincha terisi xiralashgan qizil toshmalar turi. Bunga turli omillar sabab bo'lgani taxmin qilinadi, ammo bu qanday sodir bo'lishi aniq emas. O'rtacha, toshma taxminan 11 oy davom etadi. Biz aniq sababsiz, 50 yil davomida qaytib kelgan EAC bilan og'rigan bemorni muhokama qilamiz. Yilning ma'lum vaqtlarida qaytib kelganga o'xshasa-da, bu holat EACning eng uzoq davom etganligini ko'rsatadi.
Erythema annulare centrifugum (EAC) is a type of red rash that forms circular shapes and often has flaky skin. It's thought to be triggered by various factors, but we're not sure exactly how it happens. On average, the rash lasts for about 11 months. We discuss a patient who has had EAC coming back for 50 years without a clear reason. While it does seem to come back at certain times of the year, this case represents the longest reported duration of EAC.
Har qanday yoshda paydo bo‘lishi mumkin bo‘lgan bu lezyonlar pushti‑qizil halqa yoki buqa ko‘zlari (bullseye) ko‘rinishida namoyon bo‘ladi. Ularning diametri 0,5‑8 sm (0,20‑3,15 dyuym) oralig‘ida o‘zgaradi. Lezyonlar ba‘zida kattalashadi, vaqt o‘tishi bilan tarqaladi va to‘liq halqa shaklida emas, balki noaniq shakllarda paydo bo‘lishi mumkin.
Kasallikni tasdiqlash uchun teri biopsiyasi amalga oshirilishi mumkin. Lezyonlar har qanday joyda o‘rtacha 11 oy davom etishi mumkin. Odatda davolanishni talab qilmaydi, ammo topikal steroidlar qizarish, shishish va qichishishni kamaytirishda foydali bo‘lishi mumkin.