WHAT IS A DISCOGRAM?
A discogram is a x-ray examination of the discs of the spine. Liquid contrast (a special dye) is injected into the injured disc or discs which makes them visible on a fluoroscope screen and x-ray film. Discograms are used to locate precisely which discs are damaged and determine the exact cause of your back pain. This diagnostic test is usually performed by a radiologist, spine care physician, or pain management specialist.
HOW IS A DISCOGRAM PERFOMED?
A discogram is performed by placing a needle through the skin along the back into the center of the disc. A special dye is injected into the disc that will enable the physician to view the disc in detail.
WHAT DOES A DISCOGRAM SHOW?
Regular x-rays only give a clear picture of the bones or vertebrae in your spine. Myelograms only give a clear picture of the spinal canal. Discograms, however, enable the physician to view the disc itself. The special dye used during the procedure shows up white on x-ray film which helps the physician determine an accurate diagnosis. The results of a discogram may confirm whether you are a candidate for surgery, as well as determine the exact cause of your back pain.
HOW DO I PREPARE FOR A DISCOGRAM?
You will view a video about the procedure. Specially trained personnel will explain the discogram procedure in detail and answer any questions you may have. Potential complications will be explained and your consent will be obtained to perform the procedure.
Do not eat any solid foods after midnight the night before your discogram. You can have a clear liquid breakfast (clear broth, juices, jello or tea) the day of the discogram.
Come dressed comfortably in a warm-up suit, sweats, or shorts. Please leave all jewelry and valuables at home. You might bring a book, magazine, or something to pass the time.
Try to relax. Although a discogram can be an uncomfortable procedure, it is usually over in 30-40 minutes.
WHAT HAPPENS DURING A DISCOGRAM?
Medication may make you drowsy and relaxed.
You will lie on your abdomen and side during the procedure. A physician and at least one technician will be in the room. The entire procedure lasts about 40 minutes.
After cleaning your lower back with a cooling antiseptic, the physician will inject a local anesthetic. This may sting a little.
When the area is numb, a needle is placed into the disc or discs that will be examined. You will feel some discomfort which gradually disappears following the procedure.
After the discogram, the needles are removed and x-rays are taken. Most individuals also have CT scans performed afterwards.
After a 30 minute observation period, you will be allowed to go home. You must make arrangements for someone to drive you home. You will not be allowed to drive yourself home.
A return appointment will be scheduled with your physician to discuss the results of your discogram.
TELL THE PHYSICIAN IF…
You have had a previous allergic reaction to x-ray dye, xylocaine, or other medications.