XRay Guided Joint (Arthrogram) and Back (Myelogram) Procedures

A specially trained doctor called an Interventional Radiologist will use fluoroscopy (x-ray) to guide him in the placement of a fine needle into a joint space. He will then inject a specified amount of contrast and remove the needle. You will be sent to CT or MRI for scans that will show the details within the space where the contrast was injected.


  • Your position during the procedure depends on the area of concern. If your procedure is a myelogram (back), you will be on your stomach.
  • The skin over the area of concern will be cleaned. A local anesthetic is applied to numb the skin.
  • A fine needle is placed through the numb area using fluoroscopy to guide the doctor.
  • Contrast is injected and the needle is removed.
  • You will be transferred to the required scanning area for pictures.


  • Bring a prescription from your doctor.
  • For myelograms, you will arrive 90 minutes prior to your scheduled procedure for preparation.
  • For myleograms, you will have nothing by mouth for 4 hours prior to the procedure.
  • For myelograms, you will stay for up to 6 hours after the procedure.
  • A nurse will call you to obtain health history, complete the scheduling process, and answer questions.
  • For arthrograms, you will arrive 30 minutes early and be discharged immediately following the required scans.


  • You must someone to drive you home from a myelogram.
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