33 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 ... #Differential # ... Diagnosis #Dermatology ... #SkinRash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... thighs RARELY ulcerate ... #Differential Diagnosis ... #Dermatology #SkinRash
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Diagnosis Algorithm ... #Neck #Ulcers #ulcerative ... #skinrash #dermatology ... Diagnosis #Algorithm ... #causes
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Diagnosis Algorithm ... genitals #Ulcers #ulcerative ... #skinrash #dermatology ... Diagnosis #Algorithm ... #causes
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Diagnosis Algorithm ... #Reactive #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Diagnosis Algorithm ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology ... Diagnosis #Algorithm ... #causes
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Diagnosis Algorithm ... Cryptococcosis #Ulcers #ulcerative ... #skinrash #dermatology ... Diagnosis #Algorithm ... #causes
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
Diagnosis Algorithm ... stomatitis • Erythema ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Diagnosis Algorithm ... pemphigoid • Erythema ... bowel disease (ulcerative ... Diagnosis #Algorithm ... #causes
Trunk / Sacral Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic
 • Squamous cell carcinoma
 • Basal cell
Diagnosis Algorithm ... Trunk #Sacral #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes