Intramural dissection of a partially occluded giant basilar tip aneurysm in a 69-year-old woman causing fatal brain stem compression.A, Frontal vertebral.

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Presentation transcript:

Intramural dissection of a partially occluded giant basilar tip aneurysm in a 69-year-old woman causing fatal brain stem compression.A, Frontal vertebral angiogram 6 months after the second coiling of a 30-mm basilar tip aneurysm demonstrates incomplete occ... Intramural dissection of a partially occluded giant basilar tip aneurysm in a 69-year-old woman causing fatal brain stem compression.A, Frontal vertebral angiogram 6 months after the second coiling of a 30-mm basilar tip aneurysm demonstrates incomplete occlusion. In view of the wide neck, additional coiling was judged impossible.B, Six months later, she was admitted with sudden onset of symptoms of brain stem compression. Sagittal T1-weighted MR image shows intramural dissection in the posterior part of the aneurysm (arrow), resulting in sudden enlargement and compression on the brain stem.C, Transverse T2-weighted MR image shows mass effect with brain stem edema, from which she died several days later. W.J. van Rooij, and M. Sluzewski AJNR Am J Neuroradiol 2007;28:1405-1408 ©2007 by American Society of Neuroradiology