Upper airway biopsy is surgery in which a small piece of tissue is removed from the upper airway (nose, mouth, throat) for examination.
Biopsy - upper airway
How the test is performed
The health care provider will spray a numbing medicine in your mouth and throat. A metal tube is inserted to hold your tongue out of the way.
Another numbing medicine is injected through the tube down the back of the throat. This may cause you to cough at first. When the area feels thick or swollen, it is numb.
The abnormal area is viewed, and a small piece of tissue is removed. It is sent to the laboratory for examination.
How to prepare for the test
Do not eatfor 6 - 12 hours before the test. You must sign an informed consent form.
How the test will feel
As the area is being numbed, you may feel like there is fluid running down the back of your throat. You may feel the need to cough or gag. And you may feel pressur...
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