8 results
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... Commonly mistaken for tinea ... #Erythema #Annulare ... clinical #photo #dermatology ... #skinrash
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
Tinea Versicolor ... dermatophyte infection Caused ... recalcitrant) #Tinea ... #Versicolor #Dermatology ... #SkinRash #Diagnosis
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Moccasin-variety Tinea ... Diagnosis? ... tinea pedis: Trychophyton ... tinea pedis is more ... Moccasin tinea pedis
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Herald's atch • Tinea ... (Ring Worm) - Annular ... Papulosquamous #SkinRash ... #dermatology #Differential ... #causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema annulare ... form of delayed-type ... #comparison #table ... #differential #diagnosis ... #dermatology #compared
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
- Differential Diagnosis ... Folliculitis decalvans, Tinea ... Broken Hair Shafts: Tinea ... , erosions, or erythema ... #dermatology #Hairloss
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
collarette of scale • Tinea ... with site, (e.g„ tinea ... corporis-scaly annular ... ; pruritis #dermatology ... #differential #diagnosis
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
Traumatic ulcer • Angular ... stomatitis • Erythema ... #Oral #mouth #SkinRash ... #dermatology #Differential ... #causes