 The theories are that he suffered from multiple endocrine neoplasia type 2B (MEN2B) or Marfan syndrome, rare genetic disorders.DNA analysis of a pillowcase stained with Lincoln's blood, currently in possession of the Grand Army of the Republic Museum and Library in Philadelphia may be able to resolve open questions about Lincoln's health.Based on Lincoln's unusual physical appearance, Dr. Abraham Gordon proposed in 1962 that Lincoln had Marfan syndrome.