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 ... Centrifugum #EAC #clinical ... #photo #dermatology ... #skinrash
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
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Tinea Versicolor ... lipid-dependent yeasts Clinical ... erythematous Diagnosis ... #Versicolor #Dermatology ... #SkinRash #Diagnosis
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... and Differential Diagnosis ... #Differential Diagnosis ... #Dermatology #SkinRash ... #Clinical
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Diagnosis? ... hyperkeratotic w/ erythema ... demarcation line of erythema ... Variety #type #clinical ... #photo #foot #dermatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
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- Differential Diagnosis ... flat-topped) papules on wrists ... Herald's atch • Tinea ... Papulosquamous #SkinRash ... #dermatology #Differential
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Lichen planus - Wrists ... erosions • Herpes zoster ... with site, (e.g„ tinea ... ; pruritis #dermatology ... #differential #diagnosis
Holster Sign in Dermatomyositis

Interestingly, poikiloderma and violaceous erythema can occur in sun protected areas as well
Holster Sign in ... and violaceous erythema ... #Sign #Thighs #SkinRash ... Dermatomyositis #Dermatology ... #Clinical #Photo
Mechanic’s Hands in Dermatomyositis

Finally, mechanic’s hands which are common to Anti-synthetase syndrome and another type of
typically present with erythema ... finger tips and radial ... Mechanics #Hands #SkinRash ... Dermatomyositis #Dermatology ... #Clinical #Photo