A computing tomography analyzes the paranasal sinuses by scanning the peripheral nervous system.
What is CT scan PNS Plain-Axial
The CT scan of the PNS is useful in identifying the vascular tumors. Contrast can also be used to evaluate inflammation or chronic processes . The axial scan of the PNS includes the areas from the maxillary sinus to the frontal sinus . X-rays produce images of different sections. These individual images combine to form one single picture having a three-dimensional view of the part. It is a painless and accurate imaging technique to study the structure of the sinuses
How is CT scan PNS Plain-Axial performed?
- The patient is given a contrast, if needed.
- The patient has to lie down on a bed in a still position.
- The bed moves along the tunnel of the scanner and scans the body parts.
- X–rays are absorbed differently in different parts; thus we obtain the part in the film.
- A computer can produce different images by changing the patient’s position.
The entire process requires less than 10 minutes, and the scan takes 30 seconds to complete.
Side effects/risks of CT scan PNS Plain-Axial
- The X–rays may lead to cancer after prolonged exposure.
- Mild discomfort due to holding one position at a time.
- Itching and redness due to the contrast.
- Vomiting and headache due to contrast.
Preparation before CT scan PNS Plain-Axial
- Remove jewelry and accessories.
- Inform the doctor of bismuth and diabetes medicine intake.
- Do not consume food 4-6 hours before the test .
- Inform the doctor of pregnancy.
Post care after CT scan PNS Plain-Axial
- Pay attention to any instructions provided by the doctor.
- No special control in diet and activities required.
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