17 results
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
Pyoderma Gangrenosum ... frequently mistaken for cellulitis ... #Dermatology #SkinRash ... #Pyoderma #Gangrenosum
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 ... #Differential #Diagnosis
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
- Differential Diagnosis ... : • Pyoderma gangrenosum ... Leishmaniasis - Viral - Herpes ... Ulcers #ulcerative #skinrash ... #Differential #Diagnosis
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
- Differential Diagnosis ... : • Pyoderma gangrenosum ... Ulcers #ulcerative #skinrash ... #Differential #Diagnosis
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
- Differential Diagnosis ... Painful: • Herpes ... Ulcers #ulcerative #skinrash ... #Differential #Diagnosis
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
- Differential Diagnosis ... Mimics Cellulitis ... Imperative to diagnose ... nodosum • Pyoderma gangrenosum ... #Differential #Diagnosis
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
- Differential Diagnosis ... Metabolic: • Pyoderma gangrenosum ... Ulcers #ulcerative #skinrash ... #Differential #Diagnosis
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
- Differential Diagnosis ... chickenpox) • Herpes ... shingles) • Herpes ... Vesiculobullous #SkinRash ... #Differential #Diagnosis
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Diagnosis? ... & ulcerative (heaped ... cell ca, pyoderma gangrenosum ... Blastomycosis #SkinRash
Red Eye - Differential Diagnosis Framework

What?
Redness in the eye can be caused by many conditions and
- Differential Diagnosis ... ophthalmicus • Orbital cellulitis ... • Scleritis • Herpes ... keratitis, herpes ... #differential #diagnosis