Subglottic Stenosis in Adults Workup

  • Author: James D Garnett, MD; Chief Editor: Arlen D Meyers, MD, MBA   more...
 
Updated: Mar 29, 2012
 

Laboratory Studies

  • In the absence of a history of prior trauma or when suggested by other findings, evaluate for inflammatory or infectious causes, including the following:
    • Wegener granulomatosis
    • Relapsing polychondritis
    • Syphilis
    • Tuberculosis
    • Sarcoidosis
    • Leprosy
    • Diphtheria
    • Scleroma
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Imaging Studies

  • Radiography
    • Standard chest radiographs can often provide a great deal of information regarding the tracheal air column.
    • Anteroposterior filtered tracheal views and lateral soft tissue views of the neck provide specific information regarding the glottic/subglottic air column.
  • MRI is useful in evaluating length and width of the stenotic region by means of coronal and sagittal views.
  • CT scan
    • CT scanning is not as helpful as MRI because its views are generally only in the axial plane.
    • Thin cuts (1 mm) with sagittal and/or coronal reconstructions may be helpful, however. This is the preferred initial imaging study of the author.
    • New software allows virtual bronchoscopy, which may be helpful in assessing the airway and surgical planning prior to actually performing a procedure.
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Other Tests

  • Flow-volume loops do not offer more specific information regarding stenosis than what is gained from imaging. However, flow-volume loops may be helpful in monitoring for restenosis after intervention.
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Diagnostic Procedures

  • Videostrobolaryngoscopy is extremely helpful in evaluating the glottic and supraglottic larynx for possible concomitant injury.
  • Visualization of the larynx by flexible fiberoptic or rigid telescopic (90- or 70-degree scopes) in the clinic is crucial to the evaluation of airway lesions.
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Contributor Information and Disclosures
Author

James D Garnett, MD  Director of Voice and Swallowing Center, Associate Professor, Department of Otolaryngology-Head and Neck Surgery, University of Kansas Medical Center

James D Garnett, MD is a member of the following medical societies: American Academy of Otolaryngic Allergy and American Academy of Otolaryngology-Head and Neck Surgery

Disclosure: Nothing to disclose.

Specialty Editor Board

Anthony P Sclafani, MD  Director of Facial Plastic Surgery and Surgeon Director, New York Eye and Ear Infirmary; Professor of Otolaryngology, New York Medical College

Anthony P Sclafani, MD is a member of the following medical societies: American Academy of Facial Plastic and Reconstructive Surgery, American Academy of Otolaryngology-Head and Neck Surgery, and American College of Surgeons

Disclosure: Contura None Board membership; Aesthetic Factors, Inc. Salary Consulting; Aesthetic Factors, Inc. Grant/research funds Independent contractor

Francisco Talavera, PharmD, PhD  Adjunct Assistant Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference

Disclosure: Medscape Salary Employment

Robert M Kellman, MD  Professor and Chair, Department of Otolaryngology and Communication Sciences, State University of New York Upstate Medical University

Robert M Kellman, MD is a member of the following medical societies: American Academy of Facial Plastic and Reconstructive Surgery, American Academy of Otolaryngology-Head and Neck Surgery, American College of Surgeons, American Medical Association, American Neurotology Society, American Rhinologic Society, American Society for Head and Neck Surgery, Medical Society of the State of New York, and Triological Society

Disclosure: Revent Medical Honoraria Review panel membership; Synthes Nursing Education Honoraria Other

Christopher L Slack, MD  Private Practice in Otolaryngology and Facial Plastic Surgery, Associated Coastal ENT; Medical Director, Treasure Coast Sleep Disorders

Christopher L Slack, MD is a member of the following medical societies: Alpha Omega Alpha, American Academy of Facial Plastic and Reconstructive Surgery, American Academy of Otolaryngology-Head and Neck Surgery, and American Medical Association

Disclosure: Nothing to disclose.

Chief Editor

Arlen D Meyers, MD, MBA  Professor of Otolaryngology, Dentistry, and Engineering, University of Colorado School of Medicine

Arlen D Meyers, MD, MBA is a member of the following medical societies: American Academy of Facial Plastic and Reconstructive Surgery, American Academy of Otolaryngology-Head and Neck Surgery, and American Head and Neck Society

Disclosure: Covidien Corp Consulting fee Consulting; US Tobacco Corporation Unrestricted gift Unknown; Axis Three Corporation Ownership interest Consulting; Omni Biosciences Ownership interest Consulting; Sentegra Ownership interest Board membership; Medvoy Ownership interest Management position; Cerescan Imaging Consulting; Headwatersmb Consulting fee Consulting; Venturequest Royalty Consulting

References
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Preoperative view of subglottic stenosis via an endoscopic approach.
Postoperative view of subglottic stenosis after 4-quadrant carbon dioxide laser division and endoscopic balloon dilation. Note the excellent view of distal airway.
 
 
 
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