CT of the PNS is primarily used to: aid in the diagnosis of sinusitis.
Examine sinuses that have fluid in them or thickened sinus membranes.
detect the presence of infectious diseases
provide additional information on nasal cavity and sinus tumours
By defining anatomy, you can plan for surgery.
It is performed in routine cases to detect simple abnormalities. It employs low resolution and radiation. As a result, even minor changes in the vessels were noticed.
CT PNS with contrast, though uncommon, a contrast dye is administered to the patient prior to the CT scan. It improves the contrast in the images. This aids in better diagnosis.
2. PNS HRCT
CT with high resolution PNS employs high radiation and software to capture higher-resolution images.
CT scans use multiple x-ray beams and electronic x-ray detectors that rotate around the patient. To create two-dimensional cross-sectional images of the body, a special computer is used.
Your healthcare provider will instruct you to lie on your back or face down with your chin elevated.
During the procedure, the technician will ensure that the patient remains in a specific position.
A contrast material is injected into some patients to make the tissues and blood vessels appear clear. The contrast agent is injected into the veins.
The table is then slowly moved through the machine while the scanning procedure is carried out.
Any movement can degrade the quality of an image, so you may be asked to hold your breath.
In a spiral motion, the machine rotates around the individual's face part.
The entire procedure takes only 10 minutes.
After the test you can go back to your normal activities and diet as directed by your healthcare provider.
|Test Type||Procedure of CT PNS (paranasal sinus)|
|Test Price:||₹ 3000|
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