Detection of Intracranial Aneurysms with Two-dimensional and Three-dimensional Multislice Helical Computed Tomographic Angiography

DOI PDF 被引用文献6件
  • Marko Kangasniemi
    Department of Radiology, Helsinki University Central Hospital, Helsinki, Finland
  • Teppo Mäkelä
    Department of Radiology, Helsinki University Central Hospital, Helsinki, Finland
  • Seppo Koskinen
    Department of Radiology, Helsinki University Central Hospital, Helsinki, Finland
  • Matti Porras
    Department of Radiology, Helsinki University Central Hospital, Helsinki, Finland
  • Kristiina Poussa
    Department of Radiology, Helsinki University Central Hospital, Helsinki, Finland
  • Juha Hernesniemi
    Department of Neurosurgery, Helsinki University Central Hospital, Helsinki, Finland

書誌事項

公開日
2004-02-01
DOI
  • 10.1227/01.neu.0000103448.07132.e1
公開者
Ovid Technologies (Wolters Kluwer Health)

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説明

<jats:title>Abstract</jats:title> <jats:sec> <jats:title>OBJECTIVE</jats:title> <jats:p>Computed tomographic angiography (CTA) has become a diagnostic method for the detection of intracranial aneurysms in cases of subarachnoid bleeding. We sought to evaluate the detection of aneurysms with CTA with a novel multislice helical computed tomographic scanner.</jats:p> </jats:sec> <jats:sec> <jats:title>METHODS</jats:title> <jats:p>Prospectively, 179 patients underwent multislice CTA, followed by digital subtraction angiography (DSA) of both carotid arteries with or without the posterior circulation, DSA of one carotid artery with or without the posterior circulation, or DSA of the posterior circulation alone. The total number of carotid arteries studied was 298, and the number of vertebrobasilar arteries studied was 124.</jats:p> </jats:sec> <jats:sec> <jats:title>RESULTS</jats:title> <jats:p>Of 178 aneurysms verified with DSA or intraoperatively, CTA failed to detect 7 aneurysms of 1 to 2 mm and 1 partially thrombosed, 4-mm aneurysm. The sensitivity and specificity of CTA for aneurysm detection were 0.96 and 0.97, respectively.</jats:p> </jats:sec> <jats:sec> <jats:title>CONCLUSION</jats:title> <jats:p>The first generation of multislice computed tomographic technology does not improve CTA to surpass DSA for the detection of small aneurysms of 1 to 2 mm. In practice, however, CTA is superior as a fast noninvasive method without complications.</jats:p> </jats:sec>

収録刊行物

  • Neurosurgery

    Neurosurgery 54 (2), 336-341, 2004-02-01

    Ovid Technologies (Wolters Kluwer Health)

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