Evaluation of the Contours and Perianeurysmal Environment of Unruptured Cerebral Aneurysms, using Three-dimensional Magnetic Resonance Cisternogram

Toru Satoh, Chinami Ekino, Chika Ohsako, Atsushi Katsumata, Keisuke Onoda, Shoji Tsuchimoto, Masatoshi Yunoki, Koji Tokunaga, Kenji Sugiu, Isao Date

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

To evaluate the anatomical relationship between cerebral aneurysm and the perianeurysmal environment within a cisternal space, the contours of an unruptured cerebral aneurysm and pericisternal structures were depicted on a three-dimensional (3D) MR cisternogram. By using perspective volume-rendering algorithm, the 3D MR cisternograms were reconstructed from the source axial volume data set obtained by the T2-weighted 3D fast spin-echo sequence. Those images were shown together with the coordinated 3D MR angiograms through similar visual projections, and then compared with the intraoperative findings. The outer wall configurations of cerebral aneurysms within the cisternal space were shown in conjunction with the accompanying surface veins, adjacent cranial nerves, dura mater and tentorial edge, cranial base bone, and surrounding pericisternal brain surfaces. With application of 3D MR cisternograms in the management of unruptured cerebral aneurysm, the anatomical relationship between the aneurysmal contours and the perianeurysmal environment could be evaluated the within the cisternal space. This might provide another clinical factor when considering the potential risk of growth, rupture, and symptomatic cranial nerve signs of an unruptured cerebral aneurysm.

Original languageEnglish
Pages (from-to)215-221
Number of pages7
JournalNeurological Surgery
Volume32
Issue number3
Publication statusPublished - Mar 2004

Keywords

  • Contour of the vessels
  • MR cisternography
  • Perianeurysmal environment
  • Perspective volume rendering
  • Three-dimensional reconstruction

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology

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    Satoh, T., Ekino, C., Ohsako, C., Katsumata, A., Onoda, K., Tsuchimoto, S., Yunoki, M., Tokunaga, K., Sugiu, K., & Date, I. (2004). Evaluation of the Contours and Perianeurysmal Environment of Unruptured Cerebral Aneurysms, using Three-dimensional Magnetic Resonance Cisternogram. Neurological Surgery, 32(3), 215-221.