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...
The statue of Lincoln, originally designed to be 10 feet (3.0 m) tall, was enlarged to 19 feet (5.8 m) to prevent it from being overwhelmed by the huge chamber. As late as 1920, the decision was made to substitute an open portal for the bronze and glass grille which was to have guarded the entrance.