Examination under anaesthetic (EUA) for head and neck cancer

An EAU is the endoscopic examination of the back of the mouth, nose and throat under anaesthetic.

Your doctor may suggest that you have an EUA if they:

  • see anything unusual
  • cannot see the area clearly with a nasendoscope.

This allows them to look at the area more closely using an endoscope. An endoscope is a thin, flexible tube with a camera and a light at the end.
When you are asleep under the anaesthetic, your doctor passes the endoscope down your throat. They can use the camera or attach a microscope to the end of the tube to closely look at the area.

During the examination, the doctor can take samples from any areas that look abnormal. This is called a biopsy. You can usually have this test in a day surgery unit. Most people can go home the same day.