Differential Diagnosis
- Immune defects
- Asplenia
- Hypogammaglobulinemia
- Complement deficiences
- Parameningeal focus of infection
- Structural abnormalities
- Post-neurosurgery
- CSF leak or fistula
- Dermal sinuses
- Epidermoid cysts
- Craniopharyngioma
- Drugs
- Septra
- NSAIDs
- IVIg
- OKT3
- Phenytoin
- Infections
- HSV (Mollaret's disease)
- Inflammatory
- SLE
- Behcet's
Specific Patients
Terminal Complement Deficiency
- Prone to recurrent neisserial infections
Hypogammaglobulinemia
- Can develop chronic meningoencephalitis, primarily cause by:
