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.

Preparation & Considerations

  • Please expect a phone call prior to your procedure informing you of specific requirements, obtaining a health history and a list of medications including blood thinners, and answering any questions that you may have.
  • Blood work is required prior to most procedures.
  • Please report to the Interventional Radiology Reception Desk upon arrival.
  • Please ensure that you have not had anything to eat or drink after midnight the night before your procedure.
  • Take your normal medications unless otherwise indicated by your physician.
  • If you are allergic to contrast, please make your physician aware.
  • If you are diabetic, talk to your physician about your insulin dose.
  • Shower or bathe the evening before or the morning of the procedure.
  • Please leave jewelry and other valuables at home; we are not responsible for items that you bring into the hospital.
  • Bring all medications in their labeled containers with you on the day of your procedure.
  • Plan on being at the hospital for at least 4 hours.
  • Plan on resting for 12 hours post procedure.
  • Do not drink alcohol 48 hours before or after your procedure.
  • You MUST have a responsible adult to drive you home.
  • Do not operate a vehicle, heavy machinery post- procedure for the remainder of that day.
  • Do not make any important decisions post-procedure for the remainder of that day.
  • As a reminder, children are not allowed into the imaging room and must be supervised by another guardian while your study is being completed.
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