This is an imaging test that uses a special contrast material to view the spinal cord. The contrast material used in the
can help your doctor clearly outline the space containing the spinal cord and nerves.
This is used to detect problems in and around the spinal cord, such as: Spinal tumorsHerniated discsStenosis
—narrowing of the spinal canal
Problems from the procedure are rare, but all procedures have some risk. Your doctor will review potential problems, like: HeadacheAllergic reaction to the contrastBleedingInflamed or infected spinal cord
Your doctor may do the following: Physical exam and medical historyAsk if you are pregnant—this test is not usually done on women who are pregnantAsk about your medical historyDetermine if you have any allergies
Leading up to your procedure: The night before, do not eat solid foods after midnight. You should continue to drink liquids.
If your doctor prescribes a sedative:
Arrange to have someone drive you home. Also, arrange for someone to help you at home.Take the sedative before the exam as directed by your doctor.You may have to stop certain medications up to a week before the procedure.
There is usually no anesthesia with this procedure. Your doctor may give you a mild sedative. You may have local anesthetic to reduce the pain of the needle.
You will lie on your side or face down. Or, you may sit on the edge of a table, leaning forward. You may be given a local anesthetic injection in your back.
Your doctor will insert a needle into the space between your vertebrae. A small amount of fluid will be removed from the spinal canal. Next, the contrast will be injected through the needle. Your doctor will use an imaging procedure called fluoroscopy. This combines an x-ray unit with a camera and a screen.
To take the images, you will be positioned stomach-down on the table. A brace will be against your shoulders. The table will be tipped forward. Next, the doctor will take images of your back. You will hold your breath while the images are taken. You may be asked to turn slightly to one side and then the other.
Often, your doctor will perform a
after myelography. This is to see the spread of the contrast dye.
Lumbar Myelogram Injection
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You may be asked to stay in the exam room while the doctor looks at the images. You will be able to go home after about an hour.
About 30-60 minutes (CT scan will take 30-60 minutes longer)
You will have some pressure or pain when the needle is inserted.
If you took a sedative, do not drive, operate machinery, or make important decisions until the sedative wears off.Avoid strenuous exercise (including bending over) for 1-2 days.You may be more comfortable lying on your back for 24 hours after the procedure.
It is important to monitor your recovery. Alert your doctor to any problems. If any of the following occur, call your doctor: Signs of infection, including fever and chillsLeakage of fluid from the puncture siteHeadache lasting more than 24 hoursExcessive nausea or vomitingNeck stiffnessNumbness in your legsTrouble urinating or moving your bowelsSymptoms of allergic reaction, such as
, itching, nausea, swollen or itchy eyes, tight throat, or difficulty breathingWorsening of your symptoms
If you think you have an emergency, call for medical help right away.
Lumbar disc herniation. EBSCO DynaMed website. Available at:
Available at: http://www.ebscohost.com/dynamed. Updated November 26, 2014. Accessed December 18, 2014.
Myelography. Radiological Society of North America Radiology Info website. Available at:
http://www.radiologyinfo.org/en/info.cfm?pg=myelography&bhcp=1. Updated June 14, 2013. Accessed December 18, 2014.
Last reviewed December 2014 by Michael Woods, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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