“…Currently, cases of acute type B IMH (not involving the ascending aorta) are usually treated conservatively; however, progressive disease, including aortic dissection, has been described ( 1 , 2 , 3 , 4 ). Acute type B aortic dissections are also treated conservatively with antihypertensive medication, and a favorable course with false lumen-size reduction or thrombosis is frequent; however, a complete resolution of the aortic dissection has rarely been reported ( 5 , 6 ).…”