154 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Nodosum #Mnemonic #Causes ... #Differential #Diagnosis ... #Dermatology #SkinRash
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Algorithm Neoplastic ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Trunk / Sacral Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic
 • Squamous cell carcinoma
 • Basal cell
Algorithm Neoplastic ... Trunk #Sacral #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Algorithm Painful ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Algorithm Physical ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Algorithm Reactive ... #Reactive #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
- Differential Diagnosis ... Vascular #Vasculitis #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Algorithm Vesicles ... Vesiculobullous #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Dermatologic Extraintestinal Manifestations in IBD - IBD Algorithm

Erythema Nodosum
Pyoderma Gangrenosum
Metastatic Crohn's Disease
Sweet Syndrome
EBA

Dr. Wade Billings @wabillin

#Dermatologic
Dermatologic Extraintestinal ... Manifestations in IBD - IBD Algorithm ... IBDAlgorithm #IBD #Algorithm ... gastroenterology #management ... #dermatology #diagnosis
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
dermatophyte infection Caused ... erythematous Diagnosis ... Tinea #Versicolor #Dermatology ... #SkinRash #Diagnosis ... #Management