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.
President Barack Obama is not the first sitting U.S. president to receive the Nobel Peace Prize Woodrow Wilson and Theodore Roosevelt were the first two, and he joins a long list of Americans whose efforts have drawn the attention of the Norwegian Nobel Committee. 1964, Martin Luther King Jr. Copyright 2009 CBS.