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      Evaluation of spontaneous third ventriculostomy by three-dimensional sampling perfection with application-optimized contrasts using different flip-angle evolutions (3D-SPACE) sequence by 3 T MR imaging: preliminary results with variant flip-angle mode

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      Author(s)
      Algın, Oktay
      Turkbey, B.
      Ozmen, E.
      Ocakoglu, G.
      Karaoglanoglu, M.
      Arslan, H.
      Date
      2013
      Source Title
      Journal of Neuroradiology
      Print ISSN
      0150-9861
      Publisher
      Elsevier
      Volume
      40
      Issue
      1
      Pages
      11 - 18
      Language
      English
      Type
      Article
      Item Usage Stats
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      Abstract
      Purpose This prospective study aimed to evaluate the use of three-dimensional sampling perfection with application-optimized contrasts using different flip-angle evolutions (3D-SPACE) in the diagnosis of spontaneous third ventriculostomy (STV) and to compare it with phase-contrast cine magnetic resonance imaging (PC-MRI). Methods PC-MRI and 3D-SPACE images were obtained in 15 patients with hydrocephalus for evaluation of STV as well as in 10 control cases. The presence of STV was evaluated visually by two experienced radiologists on both PC-MRI and 3D-SPACE images, and the results were statistically compared. Results There was a strong correlation between PC-MRI and SPACE scores for both readers (correlation coefficient [r] = 0.784; P = 0.001). There was also a good correlation between PC-MRI scores and consensus-based results. Interobserver reliabilities were strong for all STV scores. In addition, there was excellent correlation between 3D-SPACE scores and consensus-based results (first reader's kappa value: 0.87; second reader's kappa value: 1). Conclusion 3D-SPACE can provide morphological–physiological information for the evaluation of STV with no need for additional PC-MRI analysis or other sequences. As a non-invasive test, it can also be included among the first line of choices of MRI sequences for patients with obstructive hydrocephalus.
      Keywords
      Spontaneous third ventriculostomy
      Obstructive hydrocephalus
      Magnetic resonance imaging
      3D-SPACE
      Phase-contrast cine MRI
      Permalink
      http://hdl.handle.net/11693/53585
      Published Version (Please cite this version)
      https://doi.org/10.1016/j.neurad.2011.12.003
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