Erythema annulare centrifugum
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I motsats till denna bild är det vanligare att lesionen inte har någon fjällning.
References
Erythema annulare centrifugum (EAC) är en typ av röda utslag som bildar en ringform och sprider sig utåt och lämnar ett tydligt centrum. När EAC dyker upp på grund av cancer kallas det PEACE (paraneoplastic erythema annulare centrifugum eruption) . PEACE är vanligare hos kvinnor, uppträder ofta innan cancer diagnostiseras och kan komma tillbaka efter behandling. EAC är en av huvudtyperna av ringformade utslag, med unika egenskaper jämfört med andra stora figurerade erytem (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 (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) är en typ av röda utslag som bildar cirkulära former och som ofta har flagnande hud. Det tros utlösas av olika faktorer, men vi är inte säkra på exakt hur det händer. I genomsnitt varar utslagen i cirka 11 månader. Vi diskuterar en patient som har haft EAC på väg tillbaka i 50 år utan tydlig anledning. Även om det verkar komma tillbaka vid vissa tider på året, representerar det här fallet den längsta rapporterade varaktigheten av 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.
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.
Dessa lesioner uppträder i alla åldrar som upphöjda rosa-röda ring- eller bulls-eye-märken. De varierar i storlek från 0,5–8 cm (0,20–3,15 tum). Skadorna ökar ibland storleken och sprids över tiden och är kanske inte kompletta ringar utan oregelbundna former.
En hudbiopsi kan utföras för att bekräfta sjukdomen. Lesionerna kan pågå var som helst med en genomsnittlig varaktighet på 11 månader. Det kräver vanligtvis ingen behandling, men topikala steroider kan vara till hjälp för att minska rodnad, svullnad och klåda.