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Annular / figurate
45/45
With scale
No scale
Transient (<24h)
Persistent (>24h)
Vesicles / bullae
Pustules
Purpura
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NO FILTER · 45 CANDIDATES · DON'T-MISS ALWAYS SHOWN
COMMON (10)
Urticaria
Transient wheals
Allergic urticarial eruption
Annular edematous plaques
EAC, deep type
Raised borders, no scale
Granuloma annulare
Skin-colored papular border, acral
EAC, superficial type
Trailing INNER scale
Pityriasis rosea
Herald patch, collarette scale
Tinea corporis
Leading-edge scale, KOH positive
Annular lichen planus
Violaceous border, central clearing
Seborrheic dermatitis
Greasy scale, central face
Psoriasis
Silvery scale
DON'T MISS (15) - ALWAYS SHOWN
!
Erythema marginatum
Polycyclic; group A strep, acute rheumatic fever
!
Hereditary angioedema, EM-like lesions
Precede or accompany angioedema
!
Urticarial vasculitis
Painful or purpuric, individual lesions last >24h
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Erythema migrans
Tick bite, expanding annular patch
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Sarcoidosis
Red-brown annular plaques
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Tuberculoid leprosy
Hypoesthetic plaque
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Annular SCLE / neonatal LE
Anti-Ro positive
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Erythema multiforme / SJS
Target lesions, mucosal involvement; HSV or Mycoplasma
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Necrolytic migratory erythema
Perioral erosions and glossitis; glucagonoma
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Bullous pemphigoid / pemphigoid gestationis
Tense bullae
!
Acute hemorrhagic edema of infancy
Targetoid purpura, well-appearing child under 2
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Kawasaki disease
Fever >5 days, conjunctivitis, mucositis, extremity changes
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TRAPS / periodic fever syndromes
Recurrent fever with migratory annular plaques
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Sweet syndrome
Tender juicy plaques, fever, neutrophilia
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Leukemia cutis
Infiltrated plaques with systemic signs
Show 20 uncommon
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