70 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Lofgren's syndrome Ulcerative ... Giardiasis #Erythema ... Differential #Diagnosis #Dermatology ... #SkinRash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... thighs RARELY ulcerate ... healing process) #Erythema ... Differential Diagnosis #Dermatology ... #SkinRash #Clinical
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Differential Diagnosis Algorithm ... #Neck #Ulcers #ulcerative ... #skinrash #dermatology ... Differential #Diagnosis #Algorithm
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Differential Diagnosis Algorithm ... genitals #Ulcers #ulcerative ... #skinrash #dermatology ... Differential #Diagnosis #Algorithm
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Differential Diagnosis Algorithm ... lasts <24hrs • Erythema ... #Reactive #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Differential Diagnosis Algorithm ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology ... Differential #Diagnosis #Algorithm
Erythema Multiforme: skin eruption secondary to allergic reaction from an antibiotic.

Charlie Goldberg, M.D. - UCSD Catalog
Erythema Multiforme ... Images #Clinical #Dermatology ... #SkinRash #Erythema
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Differential Diagnosis Algorithm ... • Bleomycin Hematologic ... Cryptococcosis #Ulcers #ulcerative ... #skinrash #dermatology ... Differential #Diagnosis #Algorithm
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... Images #Clinical #Dermatology ... #SkinRash #Erythema
Thrombocytopenia - Workup Algorithm
A common consult I receive.

Dr. Joseph Shatzel @Clotmaster

#Thrombocytopenia #Workup #Algorithm #Diagnosis #Differential #Hematology
Thrombocytopenia - Workup ... Algorithm A common ... Thrombocytopenia #Workup ... #Algorithm #Diagnosis ... #Differential #Hematology