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Neurology and Neuroscience

Symptoms and Diagnosis

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Symptoms

Neurosarcoidosis affecting the brain or cranial nerves can cause confusion, hearing impairment, dementia, delirium, dizziness, vision problems, impaired smell and taste, headache, seizures, speech problems, and/or behavior and mood changes. Neurosarcoidosis affecting the peripheral nerves can cause abnormal sensations, loss of movement or sensation, and weakness.

Diagnosis

Neurosarcoidosis can be difficult to diagnose because its symptoms resemble many other conditions, including chronic meningitis and tuberculosis. To diagnose neurosarcoidosis, doctors may use tests such as:

  • Neurological examination
  • Lumbar puncture or spinal tap
  • MRI of the brain
  • Biopsy of the affected nerve tissue

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