title: Sensory changes associated with selective neck dissection.
abstract: OBJECTIVE
  To evaluate sensory changes in the head and neck region associated with selective neck dissection with or without preservation of cervical root branches.
  
  
  METHODS
  Retrospective cohort study.
  
  
  METHODS
  University tertiary referral hospital and a Veterans Affairs hospital.
  
  
  METHODS
  Fifty-seven patients who had undergone 84 neck dissections with or without preservation of the sensory cervical root branches 3 or more months before evaluation.
  
  
  METHODS
  Questionnaire combined with head and neck sensory examination.
  
  
  METHODS
  Neck and facial sensory function.
  
  
  RESULTS
  Neck dissections with preservation of the cervical rootlets were most likely to be associated with a small area of anesthesia in the upper neck below the body of the mandible and anterior to the mid-body of the mandible (P=.03). Neck dissections without rootlet-preserving technique increased the area of anesthesia to include all other areas of the neck (P= .02).
  
  
  CONCLUSIONS
  Preservation of the cervical root branches resulted in a small, limited, and uniform area of the neck rendered permanently anesthetic. Conversely, sacrifice of the nerve branches led to a pattern of anesthesia involving the entire neck.
authors.affiliation: Department of Otolaryngology, Head and Neck Surgery, Oregon Health Sciences University, Portland 97201, USA.
authors.forename: S H
authors.initials: SH
authors.lastname: Saffold
authors.forename: M K
authors.initials: MK
authors.lastname: Wax
authors.forename: A
authors.initials: A
authors.lastname: Nguyen
authors.forename: J E
authors.initials: JE
authors.lastname: Caro
authors.forename: P E
authors.initials: PE
authors.lastname: Andersen
authors.forename: E C
authors.initials: EC
authors.lastname: Everts
authors.forename: J I
authors.initials: JI
authors.lastname: Cohen
mesh_terms: D000368:Aged; D015331:Cohort Studies; D005145:Face / Q000294:innervation; D005260:Female; D006258:Head and Neck Neoplasms / Q000601:surgery*; D006801:Humans; D006987:Hypesthesia / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D009333:Neck / Q000294:innervation; D037981:Neck Dissection; D011183:Postoperative Complications / Q000209:etiology*; D012189:Retrospective Studies; D012867:Skin / Q000294:innervation; D013126:Spinal Nerve Roots / Q000601:surgery