13 results
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Ulcerative Blastomycosis ... an old house & works ... heaped up borders); differential ... squamous cell ca, pyoderma ... Blastomycosis #SkinRash
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Skin Ulcers - Differential ... Metabolic: • Pyoderma ... #Neck #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Legs / Feet - Differential ... Metabolic: • Pyoderma ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
by Etiology - Differential ... Metabolic: • Pyoderma ... Cryptococcosis #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
Pyoderma Gangrenosum ... progressive ulceration ... #Dermatology #SkinRash ... #Pyoderma #Gangrenosum
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Skin Ulcers - Differential ... genitals #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Lofgren's syndrome Ulcerative ... Mnemonic #Causes #Differential ... #Dermatology #SkinRash
Age-Focused Initial Evaluation for Pyoderma Gangrenosum 

All Patients: 
 - A thorough history and physical examination
Evaluation for Pyoderma ... ) - CBC with differential ... article-abstract/2672271 #Pyoderma ... #Gangrenosum #Workup
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Nodosum - Causes and Differential ... thighs RARELY ulcerate ... Nodosum #Causes #Differential ... #Dermatology #SkinRash
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
more): Genital ulceration ... thrombophlebitis, pyoderma ... like lesions, pyoderma ... Behcet disease) Differential ... Crohn disease, ulcerative