47 results
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Nodosum: In this case ... Nodosum has occured ... Catalog of Clinical ... Images #Clinical ... #Dermatology #SkinRash
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
resulting in a vasculitis ... which causes slowly ... Images #Clinical ... #Photo #Dermatology ... #SkinRash #Pyoderma
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Skin Lesions - Differential ... Diagnosis Algorithm ... #SkinRash #dermatology ... #Differential # ... #causes
Drug Reaction with Eosinophilia and Systemic Signs (DRESS Syndrome): Formerly known as drug hypersensitivity reaction, DRESS
represents
Eosinophilia and Systemic Signs ... medication (in this case ... Catalog of Clinical ... Images #Clinical ... #Dermatology #SkinRash
Drug Reaction with Eosinophilia and Systemic Signs (DRESS Syndrome): Formerly known as drug hypersensitivity reaction, DRESS
represents
Eosinophilia and Systemic Signs ... medication (in this case ... Catalog of Clinical ... Images #Clinical ... #Dermatology #SkinRash
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Diagnosis Algorithm ... insufficiency • Vasculitis ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #causes
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
vessicles in this case ... Patient also has ... Images #Clinical ... #Photo #Dermatology ... #SkinRash #Herpes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... : • DIC, TTP/HUS ... Vasculopathy #Purpura #Differential ... #Diagnosis #hematology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
insufficiency • Vasculitis ... • Bleomycin Hematologic ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #causes
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... #semiology #signs ... #lesions #diagnosis ... #clinical #manifestations ... pathology #lesions #differential