title: [Cause of unilateral vocal cord paralysis in aged (report of 51 cases)].
abstract: OBJECTIVE
  To investigate the cause of unilateral vocal cord paralysis in aged.
  
  
  METHODS
  Fifty-one patients with unilateral vocal cord paralysis in aged were retrospectively analyzed.
  
  
  RESULTS
  The main cause of unilateral vocal cord paralysis in aged was malignant tumor.
  
  
  CONCLUSIONS
  Extralaryngeal malignant tumor should be greatly suspected in aged with unilateral vocal cord paralysis. When the cause could not be identified through systematic examination, the patient should be followed up regularly.
authors.affiliation: Department of Otolaryngology, Affiliated Taihe Hospital of Yunyang Medical College, Shiyan, 442000, China.
authors.forename: Qigang
authors.initials: Q
authors.lastname: Wu
authors.forename: Xishan
authors.initials: X
authors.lastname: Dai
authors.forename: Ju
authors.initials: J
authors.lastname: Li
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D004938:Esophageal Neoplasms / Q000150:complications; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000150:complications; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D014826:Vocal Cord Paralysis / Q000209:etiology*