title: Intradural cervical disc herniation in a Klippel-Feil patient.
abstract: METHODS
  Case report and clinical discussion.
  
  
  OBJECTIVE
  To describe a rare case of intradural cervical disc herniation in a patient with Klippel-Feil syndrome (KFS).
  
  
  BACKGROUND
  KFS is a congenital spinal malformation characterized by the failure in segmentation of 2 or more cervical vertebrae. The development of a cervical disc herniation in a nonfused segment is uncommon. Intradural disc herniation is rare, with only 21 cases reported in the cervical region.
  
  
  METHODS
  We present a case of a 52-year-old woman with KFS (C5-C6 fusion) who developed acute radiculopathy secondary to an intradural cervical disc herniation. Neurologic examination revealed a mild (Grade 3/5) decrease in motor function of the fingers and difficulty in performing fine motor tasks with right hand.
  
  
  RESULTS
  The patient underwent microsurgical removal of the herniated disc via an anterior approach followed by interbody fixation and anterior plating; exploration of the surgical field revealed 2 intradural disc fragments. After surgery, she experienced a complete remission of the symptoms.
  
  
  CONCLUSIONS
  To our knowledge, this is the first case of intradural cervical disc herniation in a KFS patient described in the literature.
authors: Department of Neurosurgery, San Giovanni Addolorata Hospital, Rome, Italy.
authors: Massimiliano
authors: M
authors: Neroni
authors: Roberto
authors: R
authors: Gazzeri
authors: Marcelo
authors: M
authors: Galarza
authors: Alex
authors: A
authors: Alfieri
mesh_terms: D002574:Cervical Vertebrae / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000150:complications* / Q000000981:diagnostic imaging* / Q000601:surgery; D007714:Klippel-Feil Syndrome / Q000150:complications* / Q000000981:diagnostic imaging* / Q000601:surgery; D008875:Middle Aged; D011859:Radiography