4 results
Acanthosis Nigricans: Velvety appearing, hyperpigmented skin. Associated with diabetes and a 
number of other disorders. Multiple
Acanthosis Nigricans ... hyperpigmented skin ... number of other disorders ... Images #Clinical #Dermatology ... #SkinRash #Acanthosis
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
Gangrenosum: Autoimmune disorder ... ulceration of the skin ... Goldberg, M.D. - UCSD ... Clinical #Photo #Dermatology ... #SkinRash #Pyoderma
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... - Differential ... • Factitious disorder ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Pathergy Summary Overview

What is pathergy?
Pathergy is an exaggerated skin injury occurring after minor trauma such as
Myeloproliferative disorders ... Pathergy test is positive ... Pathergy #diagnosis #differential ... allergy #immunology #dermatology ... #skin