Complex Regional Pain Syndrome Type 1 as a complication of Untreated or Undertreated Thoracic Outlet Syndrome. 11 Nov, 2013 Posted on November 24, 2013 - 3:15 pm by drsharan-admin Paper presented at 2nd World Congress on Controversies, Debates and Consensus in Bone, Muscle and Joint Diseases (BMJD), held in Brussels, Belgium (November 21-24, 2013).