10 results
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
Pyoderma Gangrenosum ... vasculitis which causes ... progressive ulceration ... #Dermatology #SkinRash ... #Pyoderma #Gangrenosum
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Metabolic: • Pyoderma ... gangrenosum Vascular ... #Neck #Ulcers #ulcerative ... #skinrash #dermatology ... Diagnosis #Algorithm #causes
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Metabolic: • Pyoderma ... gangrenosum • ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology ... Diagnosis #Algorithm #causes
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
heaped up borders); differential ... squamous cell ca, pyoderma ... gangrenosum, mycosis ... Blastomycosis #SkinRash ... dermatology #clinical #photo
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Metabolic: • Pyoderma ... gangrenosum • ... Cryptococcosis #Ulcers #ulcerative ... #skinrash #dermatology ... Diagnosis #Algorithm #causes
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential ... Generalized itchy rash ... Pyoderma gangrenosum ... Skin #Lesions #Differential
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Bullae/Blisters • Ulceration ... which may resemble pyoderma ... gangrenosum) • ... reticularis Differential
Pyoderma Gangrenosum (PG)
50 M Crohn’s dz had a small pustule on the ankle 4 mo ago
Pyoderma Gangrenosum ... dz had a small pustule ... Pyoderma gangrenosum ... gangrenosum: topical ... #Gangrenosum #PG
Genital Ulcers - Atypical causes of genital ulcers that can be difficult to diagnose & manage.
Ulcers - Atypical causes ... excludes typical ulcerative ... +/- psoriatic rash ... appearance; juvenile gangrenous ... #differential #
Pathergy Summary Overview

What is pathergy?
Pathergy is an exaggerated skin injury occurring after minor trauma such as
papules or sterile pustules ... Behcet Disease • Pyoderma ... gangrenosum (PG ... - Ulceration ... Pathergy #diagnosis #differential