Nasendoscopy

A Nasendoscopy is the examination of the nose and upper airways by the use of a small flexible tube (endoscope), this allows a doctor to examine the lining of these areas. The examination looks at the nose (nasal cavity), the back of the nasal cavity (nasopharynx), the back of the mouth and tongue (oropharynx) and the upper part of the voice box (laryngo-pharynx). The area to be examined is illuminated by a light. Images of the area are transmitted via optical fibres within the endoscope to a viewing port or TV monitor.

Permanent photographs or videotapes of the examination may be made.

Technique

One or both sides of the nasal cavity and back of the throat is sprayed using anaesthetic spray to reduce discomfort. The nasendoscope is introduced into the nose after a light film of lubricant jelly has been applied. The nasal cavity, throat and upper airways and voice box are then examined by gentle advancement of the nasendoscope. The surgeon will require you to breathe lightly through your mouth. The procedure usually takes between 5 and 10 minutes. At the end of your procedure the nasendoscope is easily removed. Following review by your surgeon you will be fit to go home. A follow up appointment will be arranged prior to your discharge.

Discomfort, after effects and risks

There is some mild discomfort during the procedure as the endoscope causes some irritation to the lining of the nose, throat and upper airways. However this rapidly disappears at the end of the examination. It is generally a safe procedure, although minor damage to the lining of the throat and nose can occur. This may produce small amounts of bleeding which usually settles quickly at the end of the examination.