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Myelography

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Myelography

Myelography is a specialized procedure that uses fluoroscopy (a type of real-time X-ray) to study the spinal canal and identify potential issues affecting the spinal cord and nerves. During the procedure, a contrast dye containing iodine is injected into the fluid-filled space around the spinal cord and nerve roots. This allows the doctor to visualize any abnormalities or blockages in the spinal canal, which may not be visible on standard X-rays.

Myelography helps diagnose conditions affecting the spine and nervous system, including:

  • Blockages in the Spinal Canal: Such as those caused by a herniated disc or tumors.
  • Spinal Cord and Nerve Issues: Identifying abnormalities affecting the spinal cord or the nerves branching from it that may arise from compression or injury.
  • Infections and Inflammation: Including inflammation of the membrane surrounding the spinal cord (arachnoid membrane).
  • Blood Flow Abnormalities: Detecting issues with blood supply to the spinal cord.

During your myelography, you’ll lie on an X-ray table while a technician ensures your comfort. Here’s what happens:

  • Needle Insertion: A local anesthetic will be applied to the injection site. Then a needle will be carefully inserted into the spinal canal (typically in the lower back or at the base of the skull) to inject the contrast material.
  • Contrast Material: This dye allows doctors to clearly see the shape and structure of the spinal cord and surrounding areas during imaging. It can cause a temporary warm sensation as it spreads.
  • Imaging: X-ray pictures will be taken continuously as you remain in a specific position. Your head may be positioned to ensure the contrast does not enter the brain and cause complications such as seizures.
  • Monitoring: Your pulse and breathing may be monitored during the procedure to ensure your safety.

Afterward, you may receive post-care instructions, which typically include keeping your head elevated and avoiding bending over or lying flat to reduce the risk of complications.

While myelography is generally safe, it is important to understand potential side effects and risks:

Common Side Effects: Nausea, headaches, or vomiting may occur in up to 20% of patients. These symptoms usually resolve within 24 hours. If symptoms persist, contact your physician.
Allergic Reactions: Some patients may experience allergic reactions to the contrast dye. Inform your doctor of any known allergies to help prevent this risk.
Seizures: In rare cases, if the contrast material reaches the brain, seizures may occur. However, Advanced Radiology's skilled staff use techniques to minimize this risk.

    Proper preparation is essential to ensure a smooth procedure. Follow these steps before your appointment:

    • Fasting: Do not eat or drink anything after midnight before your procedure.
    • Medications: Discontinue blood thinners as instructed by your physician. Continue taking your scheduled medications with a small amount of clear liquid unless advised otherwise.
    • Transportation: Arrange for a ride home, as you will not be able to drive following the procedure.

    After the procedure, your doctor will provide instructions on how to manage any post-procedure discomfort and prevent complications. Common recommendations include:

    • Rest: Keeping your head elevated and avoiding certain movements will help ensure a smooth recovery.
    • Hydration: Drink plenty of fluids to help flush the contrast material from your system.