6 results
Necrotizing Fasciitis: African-American patient with diabetes that predisposed him to rapidly 
progressive infection. Lower extremity is
Necrotizing Fasciitis ... Lower extremity ... Images #Clinical #Photo ... #Dermatology #Leg ... #SkinRash #Necrotizing
Arterial Insufficiency: Chronic arterial insufficiency has resulted in pale, hairless, and somewhat 
shiny appearing lower extremity.
shiny appearing lower ... extremity. ... Images #Clinical #Photo ... #Dermatology #SkinRash ... #Leg #Foot #Arterial
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Pain: • Infection ... Cellulitis, Abscess, Necrotizing ... abscess - Herpes zoster ... - HIV - Lyme ... differential #diagnosis #lower
Majocchi’s Granuloma due to Trichophyton rubrum 
This is GMS stain and culture of a skin biopsy
/ foot + tinea ... extremity most ... extremity; rare ... rubrum #clinical #photo ... #microscopy
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
PR3-ANCA): • Microscopic ... MPO > PR3 - Necrotizing ... the upper and lower ... to exclude are infections ... extremities, upper extremity
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
arthralgia, arm/leg ... (PR3-ANCA)): Microscopic ... have PR3-ANCA) • Necrotizing ... the upper and lower ... legs), cutaneous