11 results
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Skin Ulcers of the ... Lower Legs / Feet ... - Differential Diagnosis ... #Legs #Feet #Ulcers ... #ulcerative #skinrash
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... • Hematoma Venous ... abscess - Herpes zoster ... - HIV - Lyme ... #lower #extremity
Necrotizing Fasciitis: African-American patient with diabetes that predisposed him to rapidly 
progressive infection. Lower extremity is
Lower extremity ... occurs deep to the skin ... 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 ... Superficial ulcers ... Images #Clinical #Photo ... #Dermatology #SkinRash ... #Leg #Foot #Arterial
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... - Differential Diagnosis ... legs. ... ulcers • Dyshidrotic ... #Eczematous #SkinRash
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
lesion lower back ... Diagnosis? ... involvement, Ag neg ... Blastomycosis #SkinRash ... #photo
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vibrio Vulnificus skin ... gulf of Mexico Oyster ... bullae to necrotic ulcers ... #legs #clinical ... #photo
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
legs over medial ... with signs of venous ... erosions • Herpes zoster ... extremities, especially legs ... #differential #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
arthralgia, arm/leg ... the upper and lower ... Palpable purpura (lower ... legs), cutaneous ... #Rheumatology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
exposure can be faster ... anaphylactoid (not lgE ... infections with skin ... #Transfusion #diagnosis ... #management #hematology