20 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 ... - Causes and Differential ... #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 ... Nodosum - Mnemonic ... Giardiasis #Erythema ... #Causes #Differential ... #Dermatology #SkinRash
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash - Differential ... lasts <24hrs • Erythema ... Nodosum - Tender ... nodules on shins • Erythema ... #Reactive #SkinRash
Erythema Multiforme: skin eruption secondary to allergic reaction from an antibiotic.

Charlie Goldberg, M.D. - UCSD Catalog
Erythema Multiforme ... Images #Clinical ... #Dermatology #SkinRash ... #Erythema #Multiforme ... #Trunk #Back #Photo
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythemas Summarized ... Erythema ab igne ... centrifugum • ... nodosum • Tender ... comparison #table #differential
Clinical Presentation of Conditions That Mimic Cellulitis and True Cellulitis 

 - Deep Vein Thrombosis
 -
Clinical Presentation ... - Hematoma - Erythema ... #Diagnosis #Clinical ... #Photo #Cellulitis ... #Mimics #Differential
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
Necrotizing Fasciitis: Note the extensive edema, erythema, bullae formation, and necrosis in this patient's thigh. At
extensive edema, erythema ... UCSD Catalog of Clinical ... Images #Clinical ... #Photo #Dermatology ... #SkinRash #Necrotizing