What invasive procedure involves the introduction of a dye into the spinal canal?

• A. Computed Tomography
• B. Myelography
• C. Ultrasonography
• D. Bone Scan

Answer: (B)

Myelography is the invasive procedure that involves the introduction of a contrast dye into the spinal canal. This technique is utilized primarily to visualize the spinal cord and nerve roots using imaging technologies, such as X-rays or CT scans. The contrast dye improves the clarity of images, allowing healthcare providers to identify abnormalities like herniated discs, spinal stenosis, or tumors that may be pressing on nerves.

The procedure is particularly valuable in cases where MRI may not be an option, often due to contraindications such as the presence of certain metal implants or claustrophobia. Understanding myelography's role in diagnosing spinal conditions highlights its importance in athletic training, as it facilitates appropriate treatment decisions for athletes experiencing back pain or neurological symptoms.