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Radiological pitfalls with laryngopharyngeal injectables.

Abstract
The aim of this report was to describe the computed tomography features of injected carboxymethylcellulose and how it can be mistaken for tumor recurrence. Carboxymethylcellulose is a low-density injectable indicated for short-term vocal fold augmentation. When used in patients with head and neck cancer, differentiating this agent from a neoplastic recurrence can be difficult on imaging. The imaging findings of five patients who received carboxymethylcellulose augmentation are presented to illustrate a potential pitfall of image interpretation. When injectable carboxymethylcellulose is used in cancer patients, knowledge of the injection sites, material used, and procedural history can avoid misinterpretation of monitory imaging.
AuthorsStefan W Shuaib, Andrew A Potter, Lawrence E Ginsberg, Michael E Kupferman
JournalThe Laryngoscope (Laryngoscope) Vol. 122 Issue 2 Pg. 307-10 (Feb 2012) ISSN: 1531-4995 [Electronic] United States
PMID22252794 (Publication Type: Case Reports, Journal Article)
CopyrightCopyright © 2012 The American Laryngological, Rhinological, and Otological Society, Inc.
Chemical References
  • Carboxymethylcellulose Sodium
Topics
  • Aged
  • Carboxymethylcellulose Sodium (administration & dosage)
  • Female
  • Follow-Up Studies
  • Head and Neck Neoplasms (complications, diagnostic imaging, surgery)
  • Humans
  • Injections
  • Laryngectomy
  • Laryngoplasty (methods)
  • Male
  • Middle Aged
  • Tomography, X-Ray Computed
  • Vocal Cord Paralysis (etiology, therapy)
  • Vocal Cords
  • Voice Quality

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