Erythema annulare centrifugum
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ReferencesErythema annulare centrifugum (EAC) ialah sejenis ruam merah yang membentuk cincin dan merebak ke luar, meninggalkan bahagian tengah yang jelas. Apabila EAC muncul akibat kanser, ia dipanggil PEACE (paraneoplastic erythema annulare centrifugum eruption). PEACE lebih kerap berlaku pada wanita, selalunya muncul sebelum kanser didiagnosis dan mungkin kembali selepas rawatan. EAC ialah salah satu jenis utama ruam berbentuk cincin, dengan ciri unik berbanding eritema figurate utama yang lain seperti erythema marginatum, erythema migrans, dan 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 (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 (EAC) ialah sejenis ruam merah berbentuk bulat dan selalunya disertai kulit mengelupas. Ia dianggap dicetuskan oleh pelbagai faktor, tetapi kami tidak pasti bagaimana ia berlaku. Secara purata, ruam berlangsung kira‑kira 11 bulan. Kami membincangkan pesakit yang telah mengalami EAC berulang selama 50 tahun tanpa sebab yang jelas. Walaupun ia kelihatan kembali pada masa‑masa tertentu dalam setahun, kes ini mewakili tempoh EAC terpanjang yang pernah dilaporkan.
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.
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.
Boleh berlaku pada semua peringkat umur; lesi ini kelihatan seperti cincin merah jambu atau seperti tanda mata lembu. Saiznya berkisar antara 0.5–8 cm (0.20–3.15 in). Lesi kadangkala bertambah besar dan merebak dari semasa ke semasa, dan mungkin tidak membentuk cincin lengkap tetapi mempunyai bentuk yang tidak teratur.
Biopsi kulit boleh dilakukan untuk mengesahkan diagnosis. Lesi biasanya bertahan selama purata 11 bulan. Ia biasanya tidak memerlukan rawatan, tetapi steroid topikal mungkin membantu mengurangkan kemerahan, bengkak, dan kegatalan.