title: Pure T7 sensory level as an isolated manifestation of Guillain-Barré syndrome.
abstract: BACKGROUND
  Truncal sensory level (TSL) is a localizing sign for spinal cord pathology. However, in rare instances, lesions higher up in the spinothalamic tract can cause TSL.
  
  
  METHODS
  A 26-year-old woman presented with numbness from waist down with a T7 TSL on examination with negative spine magnetic resonance imaging. Later, the patient developed the full picture of Guillain-Barré syndrome confirmed with electrophysiological testing.
  
  
  CONCLUSIONS
  TSL can localize to the nerve roots and can be an early manifestation of Guillain-Barré syndrome.
authors.affiliation: Department of Neurology, George Washington University, Washington, DC.
authors.forename: Tariq B
authors.initials: TB
authors.lastname: Alfahad
authors.forename: John J
authors.initials: JJ
authors.lastname: Kelly
mesh_terms: D000328:Adult; D005260:Female; D020275:Guillain-Barre Syndrome / Q000175:diagnosis*; D006801:Humans; D013127:Spinal Nerves / Q000473:pathology* / Q000503:physiopathology*