21 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... thrombophlebitis Skin ... band syndrome • Shin ... Brittle nails - Skin ... skin • Inflammation
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
, may also see skin ... RingEnhancing #Lesions #Brain ... #differential # ... diagnosis #causes ... #radiology #neurology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... - Affects the skin ... Cryoglobulinemic Vasculitis - Skin ... glomerular ischemia - Skin ... Small Vessels: Skin
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
characterized by extensive skin ... Edema in 70% of cases ... Skin involvement ... Resolution > 15 days Differentials ... withdrawal • Mild disease
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... antibiotics as a cause ... negative culture Brain ... Toxoplasmosis, Entamoeba Skin ... Autoimmune: Crohn's disease
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Purpura, ischemic skin ... commonly affects the skin ... • Affects the skin ... cmpkx deposits skin ... Vasculitis: • Skin
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
response to local skin ... injury) • Neurologic ... retinal damage) • Skin ... test (this is a skin ... ) Differential Diagnosis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... gyratum repens • A skin ... to have a "wood-grain ... induratum • A chronic skin ... comparison #table #differential
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Abdominal Pain Causes ... - Differential ... Back pain • Skin ... Abdominal cutaneous nerve ... #Differential #
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Approach to the differential ... impairment), heart disease ... nose (epistaxis), skin ... Nephrocalcinosis causes ... #Algorithm #differential