229 results
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Metabolic: • Pyoderma ... #Neck #Ulcers #ulcerative ... Diagnosis #Algorithm #causes
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Metabolic: • Pyoderma ... #Feet #Ulcers #ulcerative ... Diagnosis #Algorithm #causes
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
Pyoderma Gangrenosum ... vasculitis which causes ... progressive ulceration ... Dermatology #SkinRash #Pyoderma
Inflammatory bowel disease: Crohn disease compared to Ulcerative colitis 

#Crohns #Disease #Ulcerative #Colitis #Comparison #Table #Manifestations
disease compared to Ulcerative ... Crohns #Disease #Ulcerative ... Colitis #Comparison #Table
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 ... found in 60% of cases ... Lofgren's syndrome Ulcerative ... Nodosum #Mnemonic #Causes
Ulcerative Colitis vs Crohn's Disease - IBD Comparison Table
Ulcerative Collitis
 - Location
Ulcerative Colitis ... IBD Comparison Table ... Ulcerative Collitis ... ileum • Most cases ... IBD #Comparison #Table
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Ulcerative Blastomycosis ... sharp borders) & ulcerative ... squamous cell ca, pyoderma ... IUIDfellowship #Ulcerative
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Metabolic: • Pyoderma ... Cryptococcosis #Ulcers #ulcerative ... Diagnosis #Algorithm #causes
Causes of Nail Clubbing - Mnemonic 
Cyanotic Heart Disease, Cystic Fibrosis
Lung Cancer, Lung abscess 
Ulcerative Colitis
Causes of Nail Clubbing ... Lung abscess Ulcerative ... #Differential #Causes
Pyoderma Gangrenosum

A 44-year-old man with a history of ulcerative colitis presented with a new non-healing wound
Pyoderma Gangrenosum ... with a history of ulcerative ... Clinical #Photo #Ulceration