Fig. 2
From: Silent magnetic resonance angiography diagnostic value of intracranial unruptured aneurysms

(a, c) Coronal view of S-MRA showing the position of the left internal carotid artery aneurysm as shown by double arrows (»); the white arrow points to the bulge and aneurysm on the surface of the lesion. (b, d) 3D-TOF MRA showing the contour of the aneurysm, but the surface morphology of the aneurysm is not clearas indicated by the single arrow (→).