Fig. 4From: Myocardial dissection complicating left sinus of Valsalva aneurysm in silent takayasu arteritisComputed tomography angiography of the aorta. Mural calcification extended from the arcus toward the abdominal aorta, characterizing the pathognomonic sign of Takayasu arteritis (TA) (a). An active lesion of TA was spotted in the left common carotid artery. The arrows pointed to a noncalcified mural thickening in longitudinal (b) and perpendicular (c) viewsBack to article page