Pyoderma gangrenosum
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DDx
- Ulcer secondary to underlying infection (eg, mycobacterial, fungal, tertiary syphilis, amebiasis)
- Ulcer secondary to underlying neoplasm
- Folliculitis
- Arthropod bites (insect bites)
- Sweet’s syndrome (acute febrile neutrophilic dermatosis)
- Vasculitis (eg, Wegener’s granulomatosis)
- Warfarin necrosis
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DDx
- Ulcer secondary to underlying infection (eg, mycobacterial, fungal, tertiary syphilis, amebiasis)
- Ulcer secondary to underlying neoplasm
- Folliculitis
- Arthropod bites (insect bites)
- Sweet’s syndrome (acute febrile neutrophilic dermatosis)
- Vasculitis (eg, Wegener’s granulomatosis)
- Warfarin necrosis
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