Anteroposterior Right Carotid Angiogram and Surgical Correlate. a, Anteroposterior right carotid angiogram depicting a paraclinoid aneurysm projecting medially and inferiorly. b, Lateral view. c, Intraoperative view. The orbital roof and the anterior clinoid process have been removed, and the clinoidal segment of the internal carotid artery has been exposed. d, The optic sheath has been opened, and the ophthalmic artery has been exposed. e, The aneurysm has been temporarily clipped proximally and distally. f, The ICA has been reconstructed using fenestrated clips. (Images courtesy of E de Oliveira)