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What is the test?
A myelogram is an x-ray test in which dye is injected directly into your spinal canal to help show places where the vertebrae in your back may be pinching the spinal cord. It is sometimes used to help diagnose back or leg pain problems, especially if surgery is being planned.
How do I prepare for the test?
Tell your doctor ahead of time if you have ever had an allergic reaction to lidocaine or the numbing medicine used at the dentist's office, or to x-ray dyes. You should also tell your doctor if you might be pregnant, since x-rays can harm the developing baby.
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