Digital subtraction angiography image from case 2. The elongation with kingking in internal carotid artery was remarkable. The external carotid artery (ECA) was also pushed by the aneurysm sac. D.ICA : distal part of internal carotid artery, P.ICA : proximal part of internal carotid artery, CCA : common carotid artery, R : right, LAT : lateral.