Annular erythema (erythema annulare centrifugum): Signs
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 - DermNet
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 - UpToDate
2023年4月24日 · 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 …
Erythema annulare centrifugum - Wikipedia
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.
Erythema Annulare Centrifugum - StatPearls - NCBI Bookshelf
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.
Erythema Annulare Centrifugum: What You Should Know - Healthline
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...
Annular erythema - The Primary Care Dermatology Society
Annular erythema is not a diagnostic term but rather a description of a spreading erythematous eruption with an annular (ring-shaped) appearance. If the expansion of the rash is not uniform it may become arciform (arc-like) or polycyclic (two or more connected rings).
Annular Lesions: Diagnosis and Treatment - AAFP
2018年9月1日 · Annular lesions can present in a variety of diseases. Knowledge of the physical appearance and history of presentation of these skin findings can help in the diagnosis. A pruritic, annular,...
Erythema annulare centrifugum pathology - DermNet
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.
Approach to the patient with annular skin lesions - UpToDate
2023年2月8日 · Annular skin lesions are figurate lesions characterized by a ring-like morphology. Although plaques represent the most common presentation of annular lesions, lesions may also be macular, nodular, or composed of grouped papules, vesicles, or pustules.