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...
On Earth, the Spirit and  Opportunity rovers each weigh about 408 lbs.  Surface   gravity on Mars is 38% that of Earth, so each rover weighs about  155 lbs there.  â¦  The mass of Curiosity is 899 kilograms. That mass  weighs 8,816 newtons (1,982 pounds)   on Earth and 3,336 newtons (750 pounds) on Mars. Paul Yost.