12 results
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
Pyoderma Gangrenosum ... progressive ulceration ... frequently mistaken for cellulitis ... #Dermatology #SkinRash ... #Pyoderma #Gangrenosum
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Skin Ulcers - Differential ... : • Pyoderma gangrenosum ... #Neck #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Legs / Feet - Differential ... Metabolic: • Pyoderma gangrenosum ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #
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
Differential Diagnosis of Necrotizing Fasciitis: 

Cellulitis, 
Superficial abscess, 
Deep vein thrombosis 
(see phlegmasia cerulea dolerans), 
Compartment
Differential Diagnosis ... Fasciitis: Cellulitis ... insufficiency, Pyoderma gangrenosum ... Necrotizing cellulitis ... Necrotizing #Fasciitis #Differential
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Ulcerative Blastomycosis ... sharp borders) & ulcerative ... heaped up borders); differential ... cell ca, pyoderma gangrenosum ... Blastomycosis #SkinRash
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
by Etiology - Differential ... : • Pyoderma gangrenosum ... Cryptococcosis #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Pseudocellulitis - Differential ... Framework for Cellulitis ... Mimics Cellulitis ... nodosum • Pyoderma gangrenosum ... Pseudocellulitis #Differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
more): Genital ulceration ... thrombophlebitis, pyoderma gangrenosum ... lesions, pyoderma gangrenosum ... Behcet disease) Differential ... Crohn disease, ulcerative
Genital Ulcers - Atypical causes of genital ulcers that can be difficult to diagnose & manage.
excludes typical ulcerative ... appearance; juvenile gangrenous ... Atypical #causes #differential