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Case 3, patient 36. Left unruptured MCA aneurysm in a 41-year-old man. A, 3D reconstruction after rotational angiography and subtracted angiography (B) of the internal carotid artery shows a 4.2-mm MCA aneurysm with a 5.1-mm neck. C, Subtracted angiography of the internal carotid artery at the end of the procedure shows a neck remnant. D, Subtracted angiography of the internal carotid artery at 6 months shows a neck remnant.
