Video of your throat and larynx (transnasal oesophagoscopy)
In this test the doctor uses a long, flexible telescope through your nose. This is to make a video of the inside of your: nose throat voice box (larynx) upper part of the food pipe (oesophagus) The test is called a transnasal oesophagoscopy. Why do you have a transnasal oesophagoscopy? This test helps your doctor to view your voice box (larynx) and food pipe (oesophagus). You might have it instead of having an endoscopy. This might happen if you aren’t well enough to have a general anaesthetic. Endoscopy instruments are bigger. You usually need a general anaesthetic for an endoscopy. How to prepare for