13 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
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Metabolic: • Pyoderma ... gangrenosum Vascular ... Ulcers #ulcerative #skinrash ... Diagnosis #Algorithm #causes
Differential Diagnosis of Necrotizing Fasciitis: 

Cellulitis, 
Superficial abscess, 
Deep vein thrombosis 
(see phlegmasia cerulea dolerans), 
Compartment
Fasciitis: Cellulitis ... insufficiency, Pyoderma ... gangrenosum, ... Necrotizing cellulitis
Morphological variation in Pyoderma Gangrenosum lesions

doi: 10.1038/s41572-020-0213-x

#Pyoderma #Gangrenosum #clinical #photo #skinrash #dermatology #pg
Morphological variation in Pyoderma ... Gangrenosum lesions ... s41572-020-0213-x #Pyoderma ... #Gangrenosum #clinical ... #photo #skinrash
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
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
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Metabolic: • Pyoderma ... gangrenosum • ... Ulcers #ulcerative #skinrash ... Diagnosis #Algorithm #causes
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Causes of Pseudocellulitis ... Framework for Cellulitis ... Mimics Cellulitis ... Erythema nodosum • Pyoderma ... gangrenosum
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
squamous cell ca, pyoderma ... gangrenosum, mycosis ... Blastomycosis #SkinRash
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... antibiotics as a cause ... Crohn's disease, pyoderma ... gangrenosum -