Erythema annulare centrifugum is a chronic reactive form of annular erythema characterised by erythematous, circular, arciform, and polycyclic lesions, with a characteristic delicate scale behind the advancing edge (‘trailing scale’).

Erythema annulare centrifugum (EAC) is a chronic, reactive phenomenon of the skin presenting with arcuate or annular, erythematous patches or thin plaques that frequently exhibit scale along the inner portion of the advancing edge of lesions ("trailing scale") (picture 1A-D).

Annular erythema refers to a number of chronic annular and erythematous skin eruptions. The eruption usually begins as a small raised pink-red spot that slowly enlarges and forms a ring shape, while the central area flattens and clears.

Erythema annulare centrifugum (EAC), is a descriptive term for a class of skin lesion [2] presenting redness in a ring form (anulare) that spreads from a center (centrifugum). It was first described by Darier in 1916.

2024年6月8日 · Erythema annulare centrifugum is an annular, erythematous lesion that appears as urticarial-like papules, enlarges centrifugally, and clears centrally. A fine scale, called a trailing scale, is sometimes inside the advancing edge.

2023年5月25日 · Erythema annulare centrifugum (EAC) is a rare skin rash. The rash has small red bumps that spread out from a central area. The bumps often form a ring-like pattern, but may spread into irregular...

2024年7月24日 · Erythema annulare centrifugum (EAC) is a fascinating and somewhat mysterious dermatological condition characterized by distinctive skin lesions. First described by Darier in 1916, EAC is defined by its presentation of redness (erythema) forming in ring-like (anulare) shapes that spread outward from a central point (centrifugum).

Erythema annulare centrifugum (EAC) is the most common of the gyrate erythemas, a collection of diseases with similar clinical characteristics. In fact, it is also common for some to use the term to encompass many of the gyrate erythemas.

Erythema annulare centrifugum is an idiopathic skin disorder characterised by red, ring shaped lesions with central clearing. It is also called annular erythema. Lesions may be classified into superficial or deep subtypes. Deep lesions are more elevated, with less scale and pruritus than superficial lesions.

2024年10月30日 · Erythema annulare centrifugum (EAC) is classified as one of the figurate or gyrate erythemas. First described by Darier in 1916, it is characterized by a scaling or nonscaling, nonpruritic,...