767 results
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
Pyoderma Gangrenosum ... vasculitis which causes ... progressive ulceration ... number of systemic diseases ... Dermatology #SkinRash #Pyoderma
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
presentation of the disease ... GPA causes disease ... Usually parallel the disease ... Bullae/Blisters • Ulceration ... which may resemble pyoderma
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
Causes of Nail Clubbing - Mnemonic 
Cyanotic Heart Disease, Cystic Fibrosis
Lung Cancer, Lung abscess 
Ulcerative Colitis
Causes of Nail Clubbing ... Cyanotic Heart Disease ... Lung abscess Ulcerative ... Gastrointestinal Disease ... #Differential #Causes
Ulcerative Colitis vs Crohn's Disease - IBD Comparison Table
Ulcerative Collitis
 - Location
Ulcerative Colitis ... vs Crohn's Disease ... Comparison Table Ulcerative ... ileum • Most cases ... @AmyChung #Ulcerative
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
Inflammatory bowel disease: Crohn disease compared to Ulcerative colitis 

#Crohns #Disease #Ulcerative #Colitis #Comparison #Table #Manifestations
Inflammatory bowel disease ... : Crohn disease ... compared to Ulcerative ... colitis #Crohns #Disease ... #Ulcerative #Colitis
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 ... University Infectious Diseases ... IUIDfellowship #Ulcerative
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 ... What disease is ... Clinical #Photo #Ulceration