“…Dural ectasia is defined as a ballooning or widening of the dural sac, often associated with herniation of the nerve root sleeves out of the associated foraminae and is seen with various conditions including Marfan syndrome, Ehlers-syndrome, neurofibromatosis 1, Ankylosing spondylitis, trauma, scoliosis or tumors or may have no clear cause [ 4 ].…”