An endoscopic sinus exam allows the doctor to see all the
structures inside the nose and the sinuses.
Before inserting the
endoscope, the passages inside the nose are opened up
with a decongestant medicine and numbed with an anesthetic. The endoscope is
guided up through a nostril and into the sinus opening, but it is not able to
be inserted into the sinus itself.
passages are blocked or have an abnormal size or shape.
thick mucus is draining from a sinus opening.
polyps) or foreign bodies inside the nose are seen.
What To Think About
An endoscopic sinus exam is the best method of examining the nasal
passages and sinus openings because it can detect small growths in the nose
(polyps) and other problems that may be missed by routine examination.