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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 26:313-318, February 2005
© 2005 American Society of Neuroradiology

Technical Note
BRAIN

Visualization of Aneurysmal Contours and Perianeurysmal Environment with Conventional and Transparent 3D MR Cisternography

Toru Satoh^a, Megumi Omi^b, Chika Ohsako^b, Atsushi Katsumata^c, Yusuke Yoshimoto^c, Shoji Tsuchimoto^c, Keisuke Onoda^d, Koji Tokunaga^d, Kenji Sugiu^d and Isao Date^d

^a Department of Neurological Surgery, Ryofukai Satoh Neurosurgical Hospital, Hiroshima, Japan
^a Department of Diagnostic Radiology, Ryofukai Satoh Neurosurgical Hospital, Hiroshima, Japan
^a Department of Neurological Surgery, Onomichi Municipal Hospital, Hiroshima, Japan
^a Department of Neurological Surgery, Okayama University Graduate School of Medicine and Dentistry, Okayama, Japan

Address correspondence and reprint requests to Toru Satoh, MD, Department of Neurological Surgery, Ryofukai Satoh Neurosurgical Hospital, 5-23-23 Matsunaga, Fukuyama, Hiroshima, 729-0104

Summary: We have developed conventional and transparent 3D MR cisternography to investigate the spatial relationship between the contours of aneurysmal complex and the perianeurysmal structures including the cranial nerves, dural fold, cranial base bone, and brain parenchyma. Volume data obtained by a T2-weighted 3D fast spin-echo sequence were reconstructed by using a perspective volume-rendering algorithm with a transluminal imaging technique. 3D MR cisternograms provide useful anatomic information in the therapeutic and follow-up management of unruptured cerebral aneurysms.

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