During a laryngoscopy, a doctor uses a thin, lighted tube (a laryngoscope) to examine the larynx (voice box).

Two types of laryngoscopy may be performed:

  • Indirect laryngoscopy - A small, long-handled mirror is inserted into the throat so parts of the larynx can be examined.
  • Direct laryngoscopy - An instrument called a laryngoscope is inserted through the nose or mouth. The scope is a narrow, lighted tube, which provides a better view of the area than the indirect laryngoscopy.

A biopsy, removal of a sample of tissue to be evaluated under a microscope by a pathologist, may also be performed.

If cancerous cells are found, imaging procedures may be used to determine the extent, or stage of the cancer.

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