title: Lhermitte's sign and vitamin B12 deficiency: case report.
abstract: OBJECTIVE
  Lhermitte's sign, a classical neurological sign, is a rare manifestation of vitamin B12 deficiency. The aim here was to report on a case of an elderly patient with vitamin B12 deficiency whose first clinical manifestation was the presence of Lhermitte's sign.
  
  
  METHODS
  We describe an elderly patient with vitamin B12 deficiency who presented cognitive dysfunction, peripheral polyneuropathy and sensory ataxia, and whose first clinical manifestation was the presence of Lhermitte's sign. This sign is one of the rarest manifestations of vitamin B12 deficiency.
authors.affiliation: Neurology Service , Department of Internal Medicine, Hospital das Clínicas, Universidade Federal do Paraná (UFPR), Paraná, Brazil. hagteive@mps.com.br
authors.forename: Hélio Afonso Ghizoni
authors.initials: HA
authors.lastname: Teive
authors.forename: Salo
authors.initials: S
authors.lastname: Haratz
authors.forename: Jorge
authors.initials: J
authors.lastname: Zavala
authors.forename: Renato Puppi
authors.initials: RP
authors.lastname: Munhoz
authors.forename: Rosana Hermínia
authors.initials: RH
authors.lastname: Scola
authors.forename: Lineu César
authors.initials: LC
authors.lastname: Werneck
mesh_terms: D000368:Aged; D006801:Humans; D008297:Male; D010292:Paresthesia / Q000175:diagnosis / Q000209:etiology*; D014806:Vitamin B 12 Deficiency / Q000150:complications*