Document Detail

Application of contrast-enhanced constructive interference in steady state magnetic resonance imaging to Leksell GammaPlan for localizing c2-c3 aneurysms: technical note.
MedLine Citation:
PMID:  19934936     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: We used gadolinium (Gd)-enhanced constructive interference in steady state (CISS) magnetic resonance imaging with the Leksell GammaPlan (LGP; Elekta AB, Stockholm, Sweden) system for accurate preoperative evaluation of the anatomic localization of intradural and/or extradural C2-C3 aneurysms. METHODS: Anatomic localization of 8 unruptured aneurysms of the C2-C3 segment was evaluated using Gd-enhanced CISS imaging with LGP. Four patients diagnosed with intradural aneurysms, 1 with a combined intraextradural aneurysm, and 1 with an intracavernous aneurysm underwent operation. The aneurysmal localizations diagnosed preoperatively by Gd-enhanced CISS imaging with LGP were compared with intraoperative findings. RESULTS: By use of Gd-enhanced CISS imaging with LGP, 3-dimensional visualization of the internal carotid artery, aneurysms at the C2-C3 segment, optic nerve, oculomotor nerve, cavernous sinus, and anterior clinoid process was possible in 8 patients. The localization of intradural or combined intra-extradural aneurysms was diagnosed on the basis of the oculomotor nerve and the cavernous sinus depicted in 3-dimensional images. The oculomotor nerve and the cavernous sinus serve as landmarks for the proximal ring on images of the carotico-oculomotor membrane. Intradural or intra-extradural localization of C2-C3 aneurysms with this novel technique was in complete agreement with intraoperative findings in 6 surgical cases. CONCLUSION: This study demonstrated the utility of Gd-enhanced CISS imaging used with LGP for accurate preoperative localization of intradural and/or extradural aneurysms at the C2-C3 segments.
Akitsugu Kawashima; Yoshikazu Okada; Motohiro Hayashi; Takakazu Kawamata; Tomokatsu Hori
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Neurosurgery     Volume:  65     ISSN:  1524-4040     ISO Abbreviation:  Neurosurgery     Publication Date:  2009 Dec 
Date Detail:
Created Date:  2009-11-25     Completed Date:  2010-02-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7802914     Medline TA:  Neurosurgery     Country:  United States    
Other Details:
Languages:  eng     Pagination:  E1188-90; discussion E1190     Citation Subset:  IM    
Department of Neurosurgery, Tokyo Women's Medical University, Tokyo, Japan.
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MeSH Terms
Aneurysm / diagnosis*
Cavernous Sinus / pathology
Cerebral Angiography / methods
Cervical Vertebrae / pathology
Contrast Media / diagnostic use*
Gadolinium / diagnostic use*
Imaging, Three-Dimensional
Magnetic Resonance Imaging / methods*
Middle Aged
Tomography, X-Ray Computed / methods
Reg. No./Substance:
0/Contrast Media; 7440-54-2/Gadolinium

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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