62 results
Erythema Multiforme: skin eruption secondary to allergic reaction from an antibiotic.

Charlie Goldberg, M.D. - UCSD Catalog
Erythema Multiforme ... Goldberg, M.D. - UCSD ... Images #Clinical #Dermatology ... #SkinRash #Erythema ... #Multiforme #Trunk
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... Goldberg, M.D. - UCSD ... Images #Clinical #Dermatology ... #SkinRash #Erythema ... ENodosum #Photo #UCSDH
Trunk / Sacral Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic
 • Squamous cell carcinoma
 • Basal cell
Trunk / Sacral Skin ... Ulcers - Differential ... Diagnosis Algorithm ... #Sacral #SkinRash ... #dermatology #Differential
Necrotizing Fasciitis: Note the extensive edema, erythema, bullae formation, and necrosis in this patient's thigh. At
extensive edema, erythema ... Goldberg, M.D. - UCSD ... Clinical #Photo #Dermatology ... #SkinRash #Necrotizing ... Fasciitis #Bullae #UCSDH
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
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash - Differential ... Diagnosis Algorithm ... lasts <24hrs • Erythema ... #Reactive #SkinRash ... #dermatology #Differential
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Giardiasis #Erythema ... Mnemonic #Causes #Differential ... #Diagnosis #Dermatology ... #SkinRash
Varicella (Chickenpox) 
Photo credit, Josh Fierer, M.D.

Charlie Goldberg, M.D. - UCSD Catalog of Clinical Images

#Clinical #Photo
. - UCSD Catalog ... Clinical #Photo #Dermatology ... #SkinRash #Varicella ... #Chickenpox #Trunk ... #UCSDH
Generalized Hyperpigmentation Differentials
Use the Mnemonic "no skin SPARED"

Images from dermnet.nz and merckmanuals

Mnemonic from https://www.medscape.com/slideshow/dermatology-mnemonics-6011359#5 #diagnosis #differential
Hyperpigmentation Differentials ... -6011359#5 #diagnosis ... #differential # ... symptoms #signs #dermatology ... #skin #skinrash
Psoriasis: Chronic, idiopathic condition that leads to swelling, redness, and scaling of the skin.

Charlie Goldberg, M.D.
. - UCSD Catalog ... Clinical #Photo #Dermatology ... #SkinRash #Psoriasis ... #Trunk #Scaling ... #UCSDH