MARK THOMAS / SCIENCE PHOTO LIBRARY MARK THOMAS / SCIENCE PHOTO LIBRARY
Nasal polyp surgery. ENT surgeon (right) being handed a microdebrider, which will be used to remove a nasal polyp (benign growth). The position of the polyp has been investigated using a nasal endoscope (surgeon's right hand). This procedure is known as functional endoscopic sinus surgery (FESS). A nasal endoscope is a thin, fibre-optic tube that can be inserted into the nose to examine openings in the sinuses. It allows surgical procedures to be performed entirely through the nostrils, leaving no external scars, little swelling and only mild discomfort. Photographed at the West Middlesex Hospital, Twickenham, England.
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