Figurate erythema

Figurate erythema
Concentric circles in Lyme disease (example of a figurate erythema)
Specialty	Dermatology
Symptoms	Multiple red, wavy rings, concentric circles, arcs [1]
Types	Classic types:erythema annulare centrifugum, erythema gyratum repens, erythema migrans, erythema marginatum [1]

Figurate erythema describes a rash linked to various skin conditions, characterized by multiple red, wavy rings, concentric circles, and arcs, typically recognised as annular patterns. ^[1]

Classification

Four classic types have been reported as erythema annulare centrifugum, erythema gyratum repens, erythema migrans and erythema marginatum, though the pattern is seen in numerous other conditions. ^{[2] [3]}

History

The term was first described by Thomas Fox in 1889. ^[3]

References

1. Bolognia, Jean L.; Schaffer, Julie V.; Duncan, Karynne O.; Ko, Christine (2022). "5. Figurate erythemas". Dermatology Essentials (2nd ed.). Elsevier. pp. 142–148. ISBN   978-0-323-70971-2.
2. Boehner, Alexander; Neuhauser, Ruth (28 May 2021). "Figurate erythemas – update and diagnostic approach". JDDG: Journal der Deutschen Dermatologischen Gesellschaft. 19 (7): 963–972. doi: 10.1111/ddg.14450 . PMID   34046996.
3. Kazandjieva, Jana; Bogdanov, Georgi; Bogdanov, Ivan; Tsankov, Nikolai (1 May 2023). "Figurate annulare erythemas". Clinics in Dermatology. 41 (3): 368–375. doi:10.1016/j.clindermatol.2023.07.005. ISSN   0738-081X. PMID   37433389.