14 results
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... Photo credit, Josh ... #Dermatology #SkinRash ... #Erythema #ENodosum ... #Photo #UCSDH
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Centrifugum (EAC ... annulare centrifugum ... #Centrifugum #EAC ... #clinical #photo ... #dermatology #skinrash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... Diagnosis Appearance ... #Differential 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 ... Giardiasis #Erythema ... #Causes #Differential ... #Diagnosis #Dermatology ... #SkinRash
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash - Differential ... Diagnosis Algorithm ... lasts <24hrs • Erythema ... Nodosum - Tender ... #Reactive #SkinRash
Clinical Presentation of Conditions That Mimic Cellulitis and True Cellulitis 

 - Deep Vein Thrombosis
 -
Clinical Presentation ... - Hematoma - Erythema ... Cellulitis #Diagnosis ... #Clinical #Photo ... Cellulitis #Mimics #Differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema ab igne ... centrifugum • ... nodosum • Tender ... comparison #table #differential ... #diagnosis #dermatology
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... Nodosum Common ... malignancies #Erythema ... #Differential # ... Diagnosis #Clinical
Sarcoidosis - Skin Manifestations

This is a quick overview of some of the cutaneous manifestations of sarcoidosis.
is often on the differential ... #Sarcoidosis #diagnosis ... #clinical #differential ... #treatment #photo ... #dermatology #skinrash
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Diagnosis? ... heaped up borders); differential ... Blastomycosis #SkinRash ... #dermatology #clinical ... #photo