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In dermatology, a target lesion or bull's-eye lesion, named for its resemblance to the bull's-eye of a shooting target, is a rash with central clearing. It occurs in several diseases, as follows: Target lesions are the typical lesions of erythema multiforme, in which a vesicle is surrounded by an often hemorrhagic maculopapule. Erythema ...
[8] [9] Often, but not always, mentions of a target lesion (bull's-eye lesion) are talking about erythema migrans. However, the appearance of erythema migrans can vary considerably: while some look like a bull's eye, in the U.S. most are evenly red or bluish, without a central or ring-like clearing. [10] [5] [11] A minority of patients never ...
Lesions emerge as well-demarcated psoriasiform or hyperkeratotic patches and plaques, with a central clearing and an elevated border. [3] Pagetoid reticulosis is a very slow progressive variant of mycosis fungoides and is usually localized unlike the latter. [4]
Targetoid lesions are distinguished by a concentric ring-like appearance that resembles a target or bull's-eye. Classic target lesions with three concentric zones are commonly associated with erythema multiforme (a type of skin rash), while targetoid lesions with only two zones can appear in various dermatological conditions.
Erythema marginatum (also known as chicken wire erythema) [1] is an acquired skin condition which primarily affects the arms, trunk, and legs. [2] It is a type of erythema (redness of the skin or mucous membranes) characterised by bright pink or red circular lesions which have sharply-defined borders and faint central clearing.
It is often observed that the illness progresses gradually, starting as little asymptomatic lesions that expand and coalesce with central clearing around the borders. [3] In addition, the lesions often cease growing throughout puberty after a brief period of initial growth during childhood and stay stable until adulthood. [6]
Southern tick-associated rash illness (STARI) is an emerging infectious disease related to Lyme disease that occurs in southeastern and south-central United States. It is spread by tick bites and it was hypothesized that the illness was caused by the bacteria Borrelia lonestari. However, there is insufficient evidence to declare this Borrelia ...
Necrolytic migratory erythema is a red, blistering rash that spreads across the skin. It particularly affects the skin around the mouth and distal extremities; but may also be found on the lower abdomen, buttocks, perineum, and groin.