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...
How much does the average person weigh on mars?   Mars has a lower density and is also about half the size of the earth. the resulting combination leaves mars with a much less gravitational pull (about 62% less). This mâ¦eans that someone weighing 160 lbs on earth would weigh about 61 lbs on mars.