Sinuses and /or Petrous Bones

What is a CT Sinus and/or Petrous Bones scan?

A CT Sinus and/or Petrous Bones scan uses CT Technology  to create 3D images of your sinuses. It can be a useful diagnostic tool for sinusitis, infections, polyps, structural issues, facial injuries and tumors.

What happens during a CT Sinus and/or Petrous Bones scan?

A. Before your scan

What to bring

  • Your request form
  • Any relevant previous imaging
  • Your Medicare card and any concession cards

Preparation – On the day of the scan

No preparation is required

B. During your CT Sinus and/or Petrous Bones scan


You will be made comfortable on the examination table which will slide into the CT machine.

The medical imaging team will ask you to remain completely still while the CT machine takes images. The images will be checked before your appointment ends to ensure they are clear.

The scan takes approximately 15 minutes.

Risks and side effects

A Low Dose CT Sinus and/or Petrous Bones scan is a very low-risk procedure. Find out more about CT Risks and Side Effects.

Who will perform my scan?

Our specialist medical imaging team will perform your CT Sinus and/or Petrous Bones scan.

What happens after a CT Sinus and/or Petrous Bones scan?

How do I get my results?

After your appointment, the information from your scan is processed and interpreted by Envision’s medical imaging team before delivery of a report to your doctor.  For non?urgent cases we ask that you allow 2?4 working days for the results. However, urgent cases can be expedited and our radiologists are also able to discuss the results with your doctor over the phone soon after the scan. Your doctor can also view the images and reports online.

Post procedural information

You will be able to return to your normal daily activities after your scan.