9 results
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
Pyoderma Gangrenosum ... vasculitis which causes ... frequently mistaken for cellulitis ... #Dermatology #SkinRash ... #Pyoderma #Gangrenosum
Differential Diagnosis of Necrotizing Fasciitis: 

Cellulitis, 
Superficial abscess, 
Deep vein thrombosis 
(see phlegmasia cerulea dolerans), 
Compartment
Fasciitis: Cellulitis ... insufficiency, Pyoderma gangrenosum ... Necrotizing cellulitis ... Differential #Diagnosis #Mimics
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Causes of Pseudocellulitis ... Mimics Cellulitis ... non-infectious entities can mimic ... nodosum • Pyoderma gangrenosum ... #mimics #mimickers
Ecthyma Gangrenosum: skin infection associated with Pseudomonas bacteremia. 
Photo credit, Josh Fierer, M.D.

Charlie Goldberg, M.D. -
Ecthyma Gangrenosum ... Goldberg, M.D. - UCSD ... #Dermatology #Cellulitis ... #Ecthyma #Gangrenosum ... Pseudomonas #Photo #UCSDH
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
: • Pyoderma gangrenosum ... Ulcers #ulcerative #skinrash ... Diagnosis #Algorithm #causes
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Metabolic: • Pyoderma gangrenosum ... Ulcers #ulcerative #skinrash ... Diagnosis #Algorithm #causes
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
: • Pyoderma gangrenosum ... Ulcers #ulcerative #skinrash ... Diagnosis #Algorithm #causes
Genital Ulcers - Atypical causes of genital ulcers that can be difficult to diagnose & manage.
Ulcers - Atypical causes ... anything, great mimic ... appearance; juvenile gangrenous ... Ulcers #Atypical #causes
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Causes: - Idiopathic ... DDX: - Pyoderma gangrenosum ... dermatitis - Cellulitis