Erythema annulare centrifugum
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ReferencesErythema annulare centrifugum (EAC) je typ červenej vyrážky, ktorá má prstencový tvar a šíri sa smerom von, pričom zanecháva jasný stred. Keď sa EAC objaví v dôsledku rakoviny, nazýva sa PEACE (paraneoplastic erythema annulare centrifugum eruption). PEACE sa vyskytuje častejšie u žien, často sa objavuje pred diagnostikou rakoviny a môže sa vrátiť po liečbe. EAC je jedným z hlavných typov prstencových vyrážok s jedinečnými vlastnosťami v porovnaní s inými veľkými figurálnymi erytémami (erythema marginatum, erythema migrans, 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) je typ červenej vyrážky, ktorá tvorí kruhové tvary a má často šupinatú pokožku. Predpokladá sa, že ju spúšťajú rôzne faktory, no nie sme si istí, ako presne dochádza k jej vzniku. V priemere vyrážka trvá približne 11 mesiacov. Diskutujeme o pacientovi, u ktorého EAC pretrváva 50 rokov bez jasného dôvodu. Aj keď sa zdá, že sa v určitých obdobiach roka objavuje, tento prípad predstavuje najdlhšie zaznamenané trvanie 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.
Tieto lézie, ktoré sa môžu objaviť v akomkoľvek veku, sa javia ako vyvýšené ružovo‑červené prstencové alebo býčie stopy. Ich veľkosť sa pohybuje od 0,5 do 8 cm (0,20 až 3,15 palca). Lézie niekedy zväčšujú svoju veľkosť, časom sa šíria a nemusia tvoriť úplné prstence, ale môžu mať nepravidelné tvary.
Na potvrdenie ochorenia je možné vykonať biopsiu kože. Lézie môžu pretrvávať rôzne dlhú dobu, priemerne 11 mesiacov. Zvyčajne nie je potrebná liečba, ale lokálne steroidy môžu pomôcť znížiť začervenanie, opuch a svrbenie.