Assessment of the perianeurysmal environment of unruptured internal carotid-posterior communicating artery aneurysms with fusion imaging of three-dimensional magnetic resonance cisternography and angiography

Toru Satoh, Megumi Omi, Chika Ohsako, Atsushi Katsumata, Yusuke Yoshimoto, Shoji Tsuchimoto, Keisuke Onoda, Koji Tokunaga, Kenji Sugiu, Isao Date

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The anatomical relationship of an unruptured internal carotid-posterior communicating artery aneurysm and the perianeurysmal environment was investigated by using three-dimensional (3D) magnetic resonance cisternography (MRC), angiography (MRA) and newly developed fusion images of 3D MRC and 3D MRA. Contact of an aneurysm with the adjacent intra- and pericisternal structures was observed in cases with the aneurysm developing and extending beyond the capacity of the surrounding subarachnoid space. Deformation and bleb formation of the aneurysmal dome was depicted at the dome in contact with the perianeurysmal environment, including the tentorial edge, the anterior petroclinoid durai fold, the oculomotor nerve, the posterior clinoid process, the dorsum sellae and the cranial base bone. By using the fusion imaging technique of 3D MRC and 3D MRA, assessment of the contact of an unruptured cerebral aneurysm with its perianeurysmal environment can be made. Such contact gives ride to risk of deformation and bleb formation of the aneurysmal dome; and may result in cranial nerve symptoms and accelerate rupture from an unruptured cerebral aneurysm.

Original languageEnglish
Pages (from-to)569-577
Number of pages9
JournalNeurological Surgery
Volume33
Issue number6
Publication statusPublished - Jun 2005

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Three-Dimensional Imaging
Magnetic Resonance Angiography
Intracranial Aneurysm
Blister
Aneurysm
Angiography
Magnetic Resonance Spectroscopy
Oculomotor Nerve
Subarachnoid Space
Cranial Nerves
Skull Base
Rupture
Bone and Bones

Keywords

  • Aplasia
  • Internal carotid artery
  • Intracerebral hemorrhage

ASJC Scopus subject areas

  • Clinical Neurology

Cite this

Assessment of the perianeurysmal environment of unruptured internal carotid-posterior communicating artery aneurysms with fusion imaging of three-dimensional magnetic resonance cisternography and angiography. / Satoh, Toru; Omi, Megumi; Ohsako, Chika; Katsumata, Atsushi; Yoshimoto, Yusuke; Tsuchimoto, Shoji; Onoda, Keisuke; Tokunaga, Koji; Sugiu, Kenji; Date, Isao.

In: Neurological Surgery, Vol. 33, No. 6, 06.2005, p. 569-577.

Research output: Contribution to journalArticle

Satoh, Toru ; Omi, Megumi ; Ohsako, Chika ; Katsumata, Atsushi ; Yoshimoto, Yusuke ; Tsuchimoto, Shoji ; Onoda, Keisuke ; Tokunaga, Koji ; Sugiu, Kenji ; Date, Isao. / Assessment of the perianeurysmal environment of unruptured internal carotid-posterior communicating artery aneurysms with fusion imaging of three-dimensional magnetic resonance cisternography and angiography. In: Neurological Surgery. 2005 ; Vol. 33, No. 6. pp. 569-577.
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