title: [Headache with transient neurologic deficits and lymphocytosis in the cerebrospinal fluid].
abstract: BACKGROUND
  Patients with episodes of headache associated with transient neurologic deficits and lymphocytes in the cerebrospinal fluid have been reported over the last two decades.
  
  
  METHODS
  We present five patients without a prior history of migraine who experienced a limited series of 1-10 episodes of headache associated with transient neurologic deficits and lymphocytosis ranging from 85 to 500 x 10(6)/l in the cerebrospinal fluid.
  
  
  RESULTS
  Some patients had elevated protein levels in the cerebrospinal fluid and focal EEG pathology. Analysis of cerebrospinal fluid, blood tests and imagining investigations did not give plausible aetiological explanations.
  
  
  CONCLUSIONS
  The prognosis of this syndrome is good. Its aetiology is unknown. It is reasonable to search for neurotropic viruses in future cases.
authors.affiliation: Nevrologisk avdeling Akershus universitetssykehus 1474 Nordbyhagen.
authors.forename: Eva Male
authors.initials: EM
authors.lastname: Davidsen
authors.forename: Knut
authors.initials: K
authors.lastname: Nestvold
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006261:Headache / Q000134:cerebrospinal fluid* / Q000150:complications; D006801:Humans; D008218:Lymphocytosis / Q000134:cerebrospinal fluid* / Q000150:complications; D008297:Male; D008881:Migraine Disorders / Q000134:cerebrospinal fluid* / Q000150:complications; D009422:Nervous System Diseases / Q000134:cerebrospinal fluid* / Q000209:etiology; D010292:Paresthesia / Q000134:cerebrospinal fluid / Q000209:etiology; D013577:Syndrome