10 results
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
resulting in a vasculitis ... progressive ulceration ... frequently mistaken for cellulitis ... Images #Clinical #Photo ... #Dermatology #SkinRash
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Legs / Feet - Differential ... Diagnosis Algorithm ... insufficiency • Vasculitis ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Skin Ulcers - Differential ... Diagnosis Algorithm ... ) • Behcet's syndrome ... genitals #Ulcers #ulcerative ... #skinrash #dermatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... Diagnosis Framework ... Disease • Cogan syndrome ... #skin #dermatology ... #diagnosis
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Sarcoidosis or Lofgren's syndrome ... Ulcerative Colitis ... Mnemonic #Causes #Differential ... #Diagnosis #Dermatology ... #SkinRash
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - Differential ... Diagnosis Framework ... miliaris disseminate, Cellulitis ... , Vasculitis SCVMC ... #Diagnosis #dermatology
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Diagnosis? ... heaped up borders); differential ... Blastomycosis #SkinRash ... #dermatology #clinical ... #photo
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
by Etiology - Differential ... Diagnosis Algorithm ... insufficiency • Vasculitis ... Cryptococcosis #Ulcers #ulcerative ... #skinrash #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Bullae/Blisters • Ulceration ... reticularis Differential ... Diagnosis: Vasculitis ... • Goodpasture syndrome ... #rash #diagnosis
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
Diagnosis? ... Differential for ... #LCV #Hand #skinrash ... #dermatology #clinical ... #photo