11 results
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Centrifugum (EAC ... annulare centrifugum (EAC ... Most cases are idiopathic ... #clinical #photo ... #dermatology #skinrash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... Diagnosis Appearance ... Diagnosis #Dermatology ... #SkinRash #Clinical
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... found in 60% of cases ... Mnemonic #Causes #Differential ... #Diagnosis #Dermatology ... #SkinRash
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... - Differential ... lasts <24hrs • Erythema ... #Reactive #SkinRash ... #dermatology #Differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
foods, stress, etc ... a "wood-grain" appearance ... #comparison #table ... #differential # ... diagnosis #dermatology
Severe Drug Rashes - Comparison - DRESS | SJS/TEN | AGEP | Erythroderma

DRESS 
 - Onset:
Severe Drug Rashes ... - Comparison - ... #Comparison #TABLE ... #Erythroderma #Dermatology ... #Emergency #Differential
Thrombotic Microangiopathy - TTP VS HUS

Big picture points : Often hard to differentiate the two entities,
Often hard to differentiate ... : TTP has high rates ... thrombocytopenia #Comparison ... #Diagnosis #Table ... #Hematology
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... - Differential ... Well-demarcated erythema ... #Eczematous #SkinRash ... #dermatology #Differential
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Its appearance is ... hyperkeratotic w/ erythema ... type #clinical #photo ... #foot #dermatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
forehead, chin - Erythema ... and plaques of erythema ... scale; "stuck on" appearance ... ; pruritis #dermatology ... #rash #differential