What is nasal endoscopy?
Nasal endoscopy is a procedure to look at the nasal and sinus passages. It’s done with an endoscope. This is a thin, flexible tube with a tiny camera and a light. An ear, nose, and throat doctor (otolaryngologist) will often do this procedure in his or her office.
The sinuses are a group of spaces formed by the bones of your face. They connect with your nasal cavity. This is the air-filled space behind your nose.
During the procedure, the healthcare provider inserts the endoscope into your nose. He or she guides it through your nasal and sinus passages. Images of the area can be seen through the endoscope. This can aid in the diagnosis and treatment of health conditions. In some cases, small tools may be used to take tiny samples of tissue or do other tasks.
Why might I need nasal endoscopy?
You might need a nasal endoscopy if your healthcare provider needs more information about problems such as:
- Nasal congestion
- Nasal obstruction
- Nasal and sinus infection (rhinosinusitis)
- Nasal polyps
- Nasal tumors
- Loss of ability to smell
- Cerebrospinal fluid leak
The endoscopy can show specific details, such as the site of bleeding and swelling of nasal tissue. It can also be used to a growth that might be cancer.
In some cases, a nasal endoscopy can be used as a treatment. For example, it may be done on a child to remove a foreign object from his or her nose.
Your healthcare provider might also advise endoscopy to see how a treatment for a nose or sinus problem is working. For example, it can show if nasal polyps have shrunk.
Rhinosinusitis is one of the most common reasons for nasal endoscopy. You may have symptoms such as nasal obstruction, yellow or greenish fluid from your nose, and facial pain. Your healthcare provider can use the endoscope to look for swelling and polyps. He or she may collect pus from the infected area. This can help show what is causing an infection and how best to treat it.
A healthcare provider may use a nasal endoscope to do minimally invasive surgery. This is done in a hospital or surgery center. It can treat conditions such as sinus infection, nasal polyps, and nasal tumors. The surgery is done with very small tools, and does not need an external incision. 8.8
What are the risks of a nasal endoscopy?
Nasal endoscopy is generally safe, but may have rare complications such as:
- Adverse reaction to the decongestant or anesthetic
You may be at increased risk for bleeding if you have a bleeding disorder or if you take a blood thinner. Your own risks may vary according to your age and your other medical conditions. Ask your healthcare provider about the risks that most apply to you.
How do I prepare for a nasal endoscopy?
Ask your healthcare provider if you should stop taking any medications before the procedure. These may include blood thinners. You should be able to eat and drink normally before the procedure. Your healthcare provider may give you more instructions about what to do before the test.
Just before the procedure, a topical decongestant may be sprayed into your nose. This helps reduce swelling and lets the nasal endoscope pass easily through your nasal cavity and sinuses. Your nose may also be sprayed with an anesthetic, which will temporarily numb your nose. Healthcare providers may need to avoid these medications under special circumstances, though. In certain cases, you might also need an injection of anesthetic.
What happens during a nasal endoscopy?
Ask your healthcare provider about what to expect during your nasal endoscopy. The following are some things you might experience in a typical procedure:
- For the procedure, you will probably sit upright in an examination chair.
- After numbing the area, your health care provider will insert the endoscope into one side of your nose.
- You may find this a little uncomfortable. If so, let your health care provider know. You may need more numbing medication or a smaller nasal endoscope.
- In one nostril, your provider will push the endoscope forward to view a portion of nasal cavity and sinuses.
- He or she may repeat this step two more times on the same side of your nose. (Each pass allows your healthcare provider to explore a slightly different part of your nasal cavity and sinuses.)
- Your provider may then repeat the procedure on the opposite side of your nose. Again, he or she may need several passes of the scope to get the needed information.
- If necessary, he or she may remove a tissue sample as part of the endoscopy. He or she may send this tissue to a lab for analysis.
What happens after a nasal endoscopy?
Talk to your healthcare provider about what to expect after your nasal endoscopy. Ask whether he or she has specific instructions. If you had your procedure in the office, you should be able to go home right after the procedure. You should be able to go about your activities as normal. Let your provider know if you have a nosebleed that doesn’t go away.
The nasal endoscopy often provides the information needed to develop a treatment plan. You might discuss this with your healthcare provider right after your endoscopy. In other cases, he or she might want to order further tests, like computed tomography (CT). If you had tissue taken during your endoscopy, these results may take several days to come back.
Follow all of your healthcare provider’s instructions about medications and follow-up. In many cases, your provider will want to schedule another nasal endoscopy in the future to see how your treatment has progressed.
Before you agree to the test or the procedure make sure you know:
- The name of the test or procedure
- The reason you are having the test or procedure
- The risks and benefits of the test or procedure
- When and where you are to have the test or procedure and who will do it
- When and how will you get the results
- How much will you have to pay for the test or procedure