Contrast-Enhanced Computed Tomography, commonly referred to as a CAT scan, is a form of tomography in which a computer controls the motion of the X-ray source and detectors, processes the data, and produces the image. An intravenous or oral iodinated contrast is used to enhance the images.
What is CECT Scan PNS – Coronal and Axial?
CECT Scan PNS – Coronal and Axial or CT scan of the sinuses are used to evaluate chronic and inflammatory conditions in the paranasal sinus cavities. neoplastic, chronic, and inflammatory processes.
How is CECT Scan PNS – Coronal and Axial performed?
The scan begins by the technician asking the patient to lie flat on the CT examination table, supported with straps and pillows to help maintain the correct position for quality images to be obtained.
- The contrast material is injected through IV into an arm vein or into the spinal canal.
- The exam table moves quickly through the scanner to determine the correct starting position for the scans and then slowly as the actual CT scanning is performed.
- Depending on the type of CT scan, the machine may make several passes.
Side effects/risks of CECT Scan PNS – Coronal and Axial
A CT scan of the sinuses carries very few risks
- The contrast dye used during the procedure may cause temporary kidney damage.
- There is some exposure to radiation which is a cause for concern for pregnant women. The procedure should be used with caution in children.
Preparation before performing CECT Scan PNS – Coronal and Axial
Prior to the procedure, the doctor needs to be informed about any existing medical conditions especially kidney disease, diabetes, allergies, and asthma. You will be
- asked to remove any jewelry or metal objects.
- given a mild sedative to help you relax if you are claustrophobic or fidgety.
Post-care after CECT Scan PNS – Coronal and Axial
In case you were given a sedative,
- do not drive or take public transport.
- Have someone with you for 24 hours afterward.
- Do not operate machinery on the day of the scan.
Download the mfine app and consult radiologists online.