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Labs/Myelography
Clinical Test & Procedure Reference

Myelography

Myelography is used to look for conditions and diseases that affect the nerves, blood vessels, and structures in the spinal canal.

Myelography is used to look for conditions and diseases that affect the nerves, blood vessels, and structures in the spinal canal. These can include: Herniated disk . Spinal disks are rubbery cushions (disks) that sit between the bones of your spine. A herniated disk is a condition in which the disk bulges out and presses on spinal nerves or the spinal cord. Tumors Spinal stenosis , which happens when the spaces in the spine narrow and create pressure on the spinal cord and nerve roots. Infections of the membranes and tissues of the spinal cord. This includes meningitis , which causes inflammation of the membranes. Arachnoiditis , a condition that causes inflammation of a membrane that covers the spinal cord Your provider may also recommend myelography if you have new pain or weakness in your back after a recent surgery.

Why is this test ordered? You may need this test if you have symptoms of a spinal disorder, such as: Pain in the back , neck, and/or leg Tingling sensations Weakness Trouble walking Trouble with tasks that involve small muscle groups, such as buttoning a shirt

Clinical Interpretation

If your results were not normal , it may mean you have one of the following conditions: Herniated disk Spinal stenosis Tumor Nerve injury Bone spurs Arachnoiditis (inflammation of the membrane surrounding the spinal cord) A normal result means your spinal canal and structures were normal in size, position, and shape. Your provider may want to do more tests to find out what is causing your symptoms. If you have questions about your results, talk to your provider. To understand the results of myelography, your provider may consider your symptoms, medical history, and the results of other tests. Learn more about laboratory tests, reference ranges, and understanding results .

Clinical Protocol & Patient Advice

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    Your provider will let you know if there are any special instructions to follow. They may ask you to drink extra fluids the day before the test. On the day of the test, you will probably be asked not to eat or drink anything except clear fluids. These include water, clear broth, tea, and black coffee. Tell your provider about any medicines you are taking. Certain medicines should not be taken before your test. These include aspirin and blood thinners . Your provider will let you know how long you need to avoid these medicines. It may be as long as 72 hours before the test. Don't stop taking any medicines unless your provider tells you to.

Usage Guidance

  • Reference ranges vary by laboratory. Always discuss your specific results with a qualified healthcare professional.

Source: MedlinePlus, National Library of Medicine. View the original.