MYELOGRAM
Understanding Myelogram
A myelogram is a type of fluoroscopy exam that produces detailed real-time images of the spinal cord and spinal column. The exam is sometimes performed when an MRI can not be performed or in addition to an MRI.
The exam is helpful in the diagnosis of problems like a herniated disc or to study tumors, infection, inflammation, and spinal lesions caused by disease or trauma. A myelogram also helps physicians evaluate a condition called spinal stenosis, in which the spinal canal narrows and surrounding tissues enlarge due to the development of bony spurs (osteophytes).ed.
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Frequently Asked Questions
A myelogram is a fluoroscopy exam that produces detailed real-time images of your spinal cord and spinal column using contrast material and X-ray imaging.
A myelogram may be performed when an MRI cannot be done (such as if you have certain metal implants or a pacemaker) or when additional imaging is needed to complement your MRI results for a more complete diagnosis.
A myelogram is helpful in diagnosing herniated discs, tumors, infections, inflammation, spinal lesions caused by disease or trauma, and spinal stenosis—a condition where the spinal canal narrows due to bony spur development.
During the exam, contrast material is injected through a needle in your lower back into the space around the spinal cord, called the subarachnoid space. An X-ray device called a fluoroscope captures real-time images as the contrast material moves around the spinal cord and nerve roots.
In many cases, the myelogram is followed by a CT to better define abnormalities. This combination of studies is known as CT myelography.