A middle-aged patient presenting with a ruptured bilobed aneurysm of the anterior communicating artery (measuring 6.8 × 4.8 mm), treated using balloon-assisted coiling via TRA. A, The right ICA was catheterized with a guide catheter via right TRA. B, An angiogram of the right ICA highlights the anterior communicating artery aneurysm. C, An angiogram of the right ICA, with a dual-lumen balloon and microcatheter in place. D, An angiogram of the right ICA shows the total occlusion of the aneurysm.