Headache with neurological deficits and cerebrospinal fluid lymphocytosis

• Benign, generally self-limited syndrome
• Unknown etiology
• Characterized by moderate-to-severe migraine-like headaches with associated temporary neurological deficits (most commonly hemiparesis, hemisensory disturbances, and aphasia)
  • Headaches usually bilateral and throbbing, and last around 24 hours
  • Deficits usually last around 5 hours