8 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
toxo IgG • CNS PCR ... Sarcoidosis • Neuro Behcets ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... disease) Differential ... Diagnosis: • Genital ... azathioprine #Behcet ... signs #symptoms #rheumatology
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
Toxoplasmosis AUTOIMMUNE ... /VASCULITIS - Behcet ... Rhombencephalitis #Differential ... #Diagnosis #Causes ... #Neurology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Viral infection, autoimmune ... - Mycoplasma, EBV ... CLL (older) • Autoimmune ... pts) Differential ... hemolytic #anemia #hematology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... Inferomedial temporal lobes ... Demyelinating disease ... effect/Edema • EBV ... CNS #Infections #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Diagnosis Framework ... affects the skin, neurologic ... vasculitis • Behcet ... #Diagnosis #Rheumatology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
• Heavy chain disease ... acute HIV, HBV, EBV ... Cirrhosis, ETOH, autoimmune ... Gap #ProteinGap #differential ... #diagnosis #hematology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential ... RP-ILD), dermato-rheumatologic ... • ANA < 20 % IBM ... : • PBC, autoimmune ... #differential #