In many instances, a CT scan of the spine is performed immediately after a myelogram, while the contrast material is still in the spinal canal. This helps outline internal structures more clearly. A myelogram takes approximately 30 to 60 minutes. A CT scan adds about another hour to the examination.
How much does the statue at the Lincoln Memorial weigh? ChaCha Answer: The Lincoln Memorial weighs 38,000 tons or 76,000,000 pound an...
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