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Journal of Korean Neurosurgical Society = 대한신경외과학회지 v.47 no.6, 2010년, pp.437 - 441   SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Distinction between Intradural and Extradural Aneurysms Involving the Paraclinoid Internal Carotid Artery with T2-Weighted Three-Dimensional Fast Spin-Echo Magnetic Resonance Imaging

Lee, Nam    (Department of Neurosurgery, National Insurance Corporation Ilsan Hospital   ); Jung, Jin-Young    (Department of Neurosurgery, Yonsei University College of Medicine   ); Huh, Seung-Kon    (Department of Neurosurgery, Yonsei University College of Medicine   ); Kim, Dong-Joon    (Department of Radiology, Research Institute of Radiological Science, Yonsei University College of Medicine   ); Kim, Dong-Ik    (Department of Radiology, Research Institute of Radiological Science, Yonsei University College of Medicine   ); Kim, Jin-Na    (Department of Radiology, Research Institute of Radiological Science, Yonsei University College of Medicine  );
  • 초록

    Objective : The precise intra- vs. extradural localization of aneurysms involving the paraclinoid internal carotid artery is critical for the evaluation of patients being considered for aneurysm surgery. The purpose of this study was to investigate the clinical usefulness of T2-weighted threedimensional (3-D) fast spin-echo (FSE) magnetic resonance (MR) imaging in the evaluation of unruptured paraclinoid aneurysms. Methods : Twenty-eight patients with unruptured cerebral aneurysms in their paraclinoid regions were prospectively evaluated using a T2- weighted 3-D FSE MR imaging technique with oblique coronal sections. The MR images were assessed for the location of the cerebral aneurysm in relation to the dural ring and other surrounding anatomic compartments, and were also compared with the surgical or angiographic findings. Results : All 28 aneurysms were identified by T2-weighted 3D FSE MR imaging, which showed the precise anatomic relationships in regards to the subarachnoid space and the surrounding anatomic structures. Consequently, 13 aneurysms were determined to be intradural and the other 15 were deemed extradural as they were confined to the cavernous sinus. Of the 13 aneurysms with intradural locations, three superior hypophyseal artery aneurysms were found to be situated intradurally upon operation. Conclusion : High-resolution T2-weighted 3-D FSE MR imaging is capable of confirming whether a cerebral aneurysm at the paraclinoid region is intradural or extradural, because of the MR imaging's high spatial resolution. The images may help in identifying patients with intradural aneurysms who require treatment, and they also can provide valuable information in the treatment plan for paraclinoid aneurysms.


  • 주제어

    Dural ring .   Internal carotid artery .   Magnetic resonance imaging .   Paraclinoid aneurysms.  

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