13 results
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... Most cases are idiopathic ... #Erythema #Annulare ... EAC #clinical #photo ... #dermatology #skinrash
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Giardiasis #Erythema ... #Differential # ... Diagnosis #Dermatology ... #SkinRash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... Diagnosis Appearance ... #Differential Diagnosis ... #Dermatology #SkinRash
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash - Differential ... Diagnosis Algorithm ... #Reactive #SkinRash ... #dermatology #Differential ... #causes
Sarcoidosis - Skin Manifestations

This is a quick overview of some of the cutaneous manifestations of sarcoidosis.
is often on the differential ... Sarcoidosis • Annular ... #Sarcoidosis #diagnosis ... #treatment #photo ... #dermatology #skinrash
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema annulare ... potential inciting causes ... Haverhill fever caused ... comparison #table #differential ... #diagnosis #dermatology
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
Traumatic ulcer • Angular ... stomatitis • Erythema ... #Oral #mouth #SkinRash ... #dermatology #Differential ... #causes
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Diagnosis Algorithm ... (Ring Worm) - Annular ... Papulosquamous #SkinRash ... #dermatology #Differential ... #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Diagnosis Algorithm ... Well-demarcated erythema ... #Eczematous #SkinRash ... #dermatology #Differential ... #causes
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
an old house & works ... Diagnosis? ... Blastomycosis #SkinRash ... #dermatology #clinical ... #photo