38 results
Vasculitis: In this instance, the vasculitic skin lesions were secondary to Haemophilus endocarditis.
Photo credit, Josh Fierer,
Vasculitis: In this ... instance, the vasculitic ... skin lesions were ... Clinical #Photo #Dermatology ... #SkinRash #Vasculitis
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Lofgren's syndrome Ulcerative ... Differential #Diagnosis #Dermatology ... #SkinRash
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
insufficiency • Vasculitis ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology ... Diagnosis #Algorithm #causes
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... • Acquired - Vasculitis ... #Vascular #Vasculitis ... #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Ulcerative Blastomycosis ... Skin Lesion 57 ... progressive skin lesion ... Blastomycosis #SkinRash ... #dermatology #clinical
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
#Neck #Ulcers #ulcerative ... #skinrash #dermatology ... Diagnosis #Algorithm #causes
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
insufficiency • Vasculitis ... • Bleomycin Hematologic ... Cryptococcosis #Ulcers #ulcerative ... #skinrash #dermatology ... Diagnosis #Algorithm #causes
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
genitals #Ulcers #ulcerative ... #skinrash #dermatology ... Diagnosis #Algorithm #causes
Janeway Lesion: Flat, painless, erythematous lesions seen on the palm of this patient's hand. While
frequently associated
Janeway Lesion: ... , erythematous lesions ... endocarditis, in this case ... Clinical #Photo #Dermatology ... #SkinRash #Janeway
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
resulting in a vasculitis ... which causes slowly ... progressive ulceration ... Clinical #Photo #Dermatology ... #SkinRash #Pyoderma