Eye Socket, Pituitary or Ear CT Scan (without contrast)

This is a CT scan aimed at one small, bony region of the skull — the eye sockets, the pocket of bone that holds the pituitary gland, or the ear and the dense bone around it. It is done without injected contrast, so it is mainly a study of bone and shape rather than of blood flow.

This explanation has not been reviewed by a person yet.

What it is

These three regions — the orbits, the sella, and the ear — get grouped into one code because they are all small pockets of very fine bone tucked inside the skull, and they are all scanned the same way: thin slices through a narrow area, reconstructed so the radiologist can look at the bone in detail from several directions. A plain x-ray cannot separate structures this small because everything overlaps on a single flat image; CT can. The "without contrast" part matters — no dye is injected, so the study shows the bones, the air spaces, and the soft tissue outlines, but not how blood is moving through them.

Why it is done

  • To look at the bony walls of the eye socket after facial trauma, or to look for something inside the orbit pressing on the eye
  • To examine the temporal bone, the dense block of bone housing the middle and inner ear, in hearing loss, chronic ear infection, or after injury
  • To look at the sella, the small saddle of bone that holds the pituitary gland, and the structures immediately around it
  • To map the anatomy in fine detail before surgery in any of these areas, where the landmarks are millimeters apart

What to expect

No preparation is needed for a scan done without contrast — no fasting, no IV line. The patient lies on their back on a narrow table with the head resting in a cradle, and the table moves slowly through the ring of the scanner while it rotates around the head. Staying still is the main requirement, because these are thin slices and small movements blur them. The scanning itself is over in a few minutes; the whole appointment is usually shorter than the paperwork around it. Results come from a radiologist's reading rather than from the technologist at the machine.

Questions worth asking

  • Was the scan ordered without contrast, and if contrast is added on the day, does that change the code and the price I was quoted?
  • Which region is actually being scanned? Orbits, sella, and temporal bone are separate orders, and scanning two of them may be billed as two exams.
  • If this follows a scan of the whole head done earlier the same day, am I being charged for both, and was the second one necessary?
  • Does the price I have been given include the radiologist's interpretation, or only the scanner time?

What Eye Socket, Pituitary or Ear CT Scan (without contrast) costs by state

Eye Socket, Pituitary or Ear CT Scan (without contrast) prices at hospitals

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