8 results
Necrotizing Fasciitis: African-American patient with diabetes that predisposed him to rapidly 
progressive infection. Lower extremity is
Necrotizing Fasciitis ... occurs deep to the skin ... Images #Clinical #Photo ... Dermatology #Leg #SkinRash ... #Necrotizing #Fasciitis
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
vessicles in this case ... superimposed bacterial skin ... infection, most ... Images #Clinical #Photo ... #Dermatology #SkinRash
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... insufficiency • Vasculitis ... Cryoglobulinemia Infectious ... Ulcers #ulcerative #skinrash ... #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
MPO > PR3 - Necrotizing ... PR3-ANCA) - Necrotizing ... tract, and often causes ... to exclude are infections ... • HBV HCV
Necrotizing Fasciitis: Severe infection which travels in the suprafacial plane. In this instance, the infection
started in
Necrotizing Fasciitis ... apparent in the skin ... However, in this case ... Images #Clinical #Photo ... #Necrotizing #Fasciitis
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
Oral Skin Ulcers ... multiforme • Acute necrotizing ... simplex infection ... #Oral #mouth #SkinRash ... #causes
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
: • Infection: ... Cellulitis, Abscess, Necrotizing ... fasciitis • Inflammation ... Epidural abscess - Herpes ... zoster - HIV
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
to exclude are infections ... muscle weakness • Nerves ... HTN • Check: HBV ... have PR3-ANCA) • Necrotizing ... tract, and often causes