9 results
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Head and Neck Skin ... Ulcers - Differential ... : • Pyoderma gangrenosum ... #ulcerative #skinrash ... #dermatology #Differential
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Skin Ulcers of the ... Legs / Feet - Differential ... Metabolic: • Pyoderma gangrenosum ... #ulcerative #skinrash ... #dermatology #Differential
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... • Factitious disorder ... : • Pyoderma gangrenosum ... #ulcerative #skinrash ... #dermatology #Differential
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Genital Skin Ulcers ... - Differential ... painless #genitals #Ulcers ... #ulcerative #skinrash ... #dermatology #Differential
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
Oral Skin Ulcers ... - Differential ... Acute necrotizing ulcerative ... #Oral #mouth #SkinRash ... #dermatology #Differential
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
: Autoimmune disorder ... progressive ulceration ... of the skin. ... Clinical #Photo #Dermatology ... #SkinRash #Pyoderma
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Skin Lesion 57 ... heaped up borders); differential ... cell ca, pyoderma gangrenosum ... Blastomycosis #SkinRash ... #dermatology #clinical
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
more): Genital ulceration ... lesions, pyoderma gangrenosum ... lesions • Positive ... Behcet disease) Differential ... Crohn disease, ulcerative
Pathergy Summary Overview

What is pathergy?
Pathergy is an exaggerated skin injury occurring after minor trauma such as
Disease • Pyoderma gangrenosum ... Myeloproliferative disorders ... Pathergy test is positive ... - Pustule - Ulceration ... allergy #immunology #dermatology