6 results
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Centrifugum (EAC ... Commonly mistaken for tinea ... Most cases are idiopathic ... #clinical #photo ... #dermatology #skinrash
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Diagnosis? ... dermatophytes cause ... hyperkeratotic w/ erythema ... type #clinical #photo ... #foot #dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
foods, stress, etc ... Haverhill fever caused ... #comparison #table ... #differential #diagnosis ... #dermatology #compared
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Well-demarcated erythema ... papules, vesicles, erosions ... #Eczematous #SkinRash ... #dermatology #Differential ... #causes
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 -
honey-colored crusts ... progressing to crusted erosions ... with site, (e.g„ tinea ... ; pruritis #dermatology ... #differential #diagnosis