In some patients with Chiari, a cyst (known as a syrinx or syringomyelia), forms within the spinal column. Symptoms of leg numbness or scoliosis are more likely when a syrinx exists. There are also special MRI studies that can measure the direction and degree of fluid motion around the Chiari malformation.
1 President Obama is fourth U.S. president to receive Nobel Peace Prize. 2  He is honored for inspiring hope at the beginning of his presidency. 3  Jimmy Carter, Theodore Roosevelt and Woodrow Wilson are past honorees. 4  Nobel committee: Obama has created new climate in international politics.
As we reminisce on our rich history here at the White House, this post is unique -- as we are looking back at not just one but five separate years. Since the creation of the Nobel Peace Prize, four U.S. Presidents and one Vice President have received the award, which is presented each year on December 10.