10 results
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
: • Pyoderma gangrenosum ... #Neck #Ulcers #ulcerative ... #skinrash #dermatology
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
Pyoderma Gangrenosum ... progressive ulceration ... #Dermatology #SkinRash ... #Pyoderma #Gangrenosum
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Metabolic: • Pyoderma gangrenosum ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Ulcerative Blastomycosis ... sharp borders) & ulcerative ... cell ca, pyoderma gangrenosum ... IUIDfellowship #Ulcerative ... Blastomycosis #SkinRash
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
: • Pyoderma gangrenosum ... Cryptococcosis #Ulcers #ulcerative ... #skinrash #dermatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Behçet's Syndrome ... more): Genital ulceration ... thrombophlebitis, pyoderma gangrenosum ... lesions, pyoderma gangrenosum ... Crohn disease, ulcerative
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
HFMD), Pyoderma gangrenosum ... angiomatosis, Sweet syndrome ... Algorithm #Schema #InfectiousDiseases
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
SAPHO, Sweet's Syndrome ... disease, pyoderma gangrenosum ... Auto-Inflammatory: SAPHO syndrome ... Differential #Diagnosis #InfectiousDiseases
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Bullae/Blisters • Ulceration ... resemble pyoderma gangrenosum ... • Goodpasture syndrome
Pathergy Summary Overview

What is pathergy?
Pathergy is an exaggerated skin injury occurring after minor trauma such as
Disease • Pyoderma gangrenosum ... (PG) • Sweet syndrome ... • Blind loop syndrome ... - Pustule - Ulceration