<unk>  <unk>  is a descriptive term for a skin lesion consisting of redness (=erythema) in a ring form <unk>  that spreads from the center <unk> . First known to be described by Darrier in 1916. Many different terms have been used to classify these types of lesions and it is still controversial on what exactly defines<unk> . Some of the types include (deep and superficial)<unk> erythema, erythema perstans, erythema gyratum perstans, erythema gyratum repens, darier erythema (Deep gyrate erythema & Deep gyrate erythema) and erythema figuratum perstans.
Erythema annulare centrifugum
Ichthyosis bullosa of Siemens
Erythema elevatum diutinum
Perifolliculitis capitis abscedens et suffodiens
Erythema dyschromicum perstans
Cutis marmorata telangiectatica congenita
Erythema toxicum
Granuloma faciale