Eye Socket, Pituitary or Ear CT Scan (with contrast)

This is a CT scan focused on a small, crowded region of the skull — the eye socket, the pituitary area at the skull base, the back of the brain, or the bones of the ear — done after contrast is injected into a vein. The contrast makes blood vessels, inflamed tissue and masses stand out from the structures around them. The scan itself takes only minutes.

This explanation has not been reviewed by a person yet.

What it is

The regions this study covers are all places where a lot is packed into a very small space and where bone and soft tissue sit right against each other. The orbit holds the eye, its muscles and the optic nerve inside a bony cup. The sella is the small hollow at the base of the skull that the pituitary gland sits in. The ear's hearing and balance structures are buried in some of the densest bone in the body. CT is well suited to all of these because it produces thin cross-sections that can be reassembled in any plane, and because it renders bone in sharp detail. The contrast, an iodine-based liquid given through a vein, temporarily changes how X-rays pass through tissue that has a rich blood supply — which is what makes an inflamed area, an abnormal vessel or a tumor separate visibly from the normal tissue beside it.

Why it is done

  • To investigate a problem behind or around the eye — proptosis, double vision, sudden vision loss, or swelling that could be infection
  • To look at the pituitary region when hormone levels or symptoms point toward something occupying that space
  • To examine the bones of the middle and inner ear in hearing loss, dizziness, or infection that is not settling
  • To evaluate a mass in any of these areas and see how it takes up contrast
  • To look at the back of the skull and its contents after injury or when symptoms localize there

What to expect

You may be asked not to eat for a few hours beforehand because contrast is being given. The technologist places an IV, usually in the arm, and you lie on a table that slides through the ring of the scanner. Staying still matters — movement blurs thin slices badly — and you may be asked to keep your eyes fixed on a point for an orbit study. When the contrast goes in, many people feel a wave of warmth spreading through the body and a metallic taste; both pass quickly. The scanning takes minutes. Tell the staff beforehand about any past reaction to contrast, about kidney problems, and about diabetes medicines, since some require a plan around contrast.

Questions worth asking

  • Was a scan with contrast ordered, without, or both? Each is a different code, and "both" costs more than either alone.
  • Is the contrast agent billed as a separate line item, and at what price at this facility?
  • If I have had a reaction to contrast before, does the pre-treatment protocol add pharmacy or observation charges?
  • Would an MRI answer the same question, and how do the two prices compare here?
  • Is the radiologist reading this scan in network with my plan, even if the imaging department is?

What Eye Socket, Pituitary or Ear CT Scan (with contrast) costs by state

Eye Socket, Pituitary or Ear CT Scan (with contrast) prices at hospitals

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