The CT scan used in our office can detect a variety of things including nasal polyps, inflammation or infection of the sinuses, and fluid-filled sinuses.
Can a CT scan detect sinus problems?
CT scan is one of the safest means of studying the sinuses. CT is the most reliable imaging technique for determining if the sinuses are obstructed. It is the best imaging modality for sinusitis. CT of the sinuses can help plan the safest and most effective surgery.
Which scan is best for sinus?
A CT scan can give the doctor a better view of your sinuses and can also identify any structural issues. If the doctor suspects sinusitis, the scan will help diagnose that ailment. It can also evaluate if the sinuses are filled with fluid and show thickened sinus membranes.
What does a blocked sinus look like on CT scan?
All the sinuses (cavities) should be open and airy and show up as black on the CT scan, as the healthy part of the left sinus. However, the spongy ridge of a polyp (seen as grey on the scan) blocks the upper part of the left sinus (the right hand red cross).
How can a doctor tell if you have nasal polyps?
Polyps may be visible with the aid of a simple lighted instrument. Other diagnostic tests include: Nasal endoscopy. A narrow tube with a lighted magnifying lens or tiny camera (nasal endoscope) enables your doctor to perform a detailed examination inside your nose and sinuses.