4 results
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
classic trailing scale ... Commonly mistaken for tinea ... Classically has a rim of scale ... #clinical #photo ... #dermatology #skinrash
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... cellulitis of the scalp ... Disease: Discoid lupus ... Scaling, pustules, crusts ... , erosions, or erythema
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
• Atopic dermatitis ... honey-colored crusts ... • Tinea versicolor ... with site, (e.g„ tinea ... dermatology #rash #differential
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... Diffuse and Focal) Differential ... Alopecia totalis (all scalp ... • Discoid lupus ... • Aplasia cutis