8
views
0
recommends
+1 Recommend
0 collections
    0
    shares
      • Record: found
      • Abstract: found
      • Article: not found

      High-Resolution 3D-Constructive Interference in Steady-State MR Imaging and 3D Time-of-Flight MR Angiography in Neurovascular Compression: A Comparison between 3T and 1.5T

      research-article

      Read this article at

      ScienceOpenPublisherPMC
      Bookmark
          There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

          Abstract

          BACKGROUND AND PURPOSE:

          High-resolution MR imaging is useful for diagnosis and preoperative planning in patients with NVC. Because high-field MR imaging promises higher SNR and resolution, the aim of this study was to determine the value of high-resolution 3D-CISS and 3D-TOF MRA at 3T compared with 1.5T in patients with NVC.

          MATERIALS AND METHODS:

          Forty-seven patients with NVC, trigeminal neuralgia, hemifacial spasm, and glossopharyngeal neuralgia were examined at 1.5T and 3T, including high-resolution 3D-CISS and 3D-TOF MRA sequences. Delineation of anatomic structures, overall image quality, severity of artifacts, visibility of NVC, and assessment of the SNR and CNR were compared between field strengths.

          RESULTS:

          SNR and CNR were significantly higher at 3T ( P < .001). Significantly better anatomic conspicuity, including delineation of CNs, nerve branches, and assessment of small vessels, was obtained at 3T ( P < .02). Severity of artifacts was significantly lower at 3T ( P < .001). Consequently, overall image quality was significantly higher at 3T. NVC was significantly better delineated at 3T ( P < .001). Six patients in whom NVC was not with certainty identifiable at 1.5T were correctly diagnosed at 3T.

          CONCLUSIONS:

          Patients with NVC may benefit from the higher resolution and greater sensitivity of 3T for preoperative assessment of NVC, and 3T may be of particular value when 1.5T is equivocal.

          Related collections

          Author and article information

          Journal
          AJNR Am J Neuroradiol
          AJNR Am J Neuroradiol
          ajnr
          ajnr
          AJNR
          AJNR: American Journal of Neuroradiology
          American Society of Neuroradiology
          0195-6108
          1936-959X
          August 2012
          : 33
          : 7
          : 1251-1256
          Affiliations
          [1] aFrom the Departments of Neuroradiology (M.G., J.R., A.D.) and
          [2] bNeurosurgery (P.H.), Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen, Germany
          [3] cDepartment of General Radiology and Neuroradiology (M.G.),
          [4] dClinic for Radiology and Nuclear Medicine, and Clinical Trial Unit (T.Z.), University Hospital Basel, Basel, Switzerland; and
          [5] eDepartment of Neurosurgery (R.N.), Armed Forces Hospital Ulm, Ulm, Germany.
          Author notes
          Please address correspondence to Meritxell Garcia, MD, Department of Radiology and Neuroradiology, Clinic for Radiology and Nuclear Medicine, University Hospital Basel, Petersgraben 4, 4031 Basel, Switzerland; e-mail: GarciaMe@ 123456uhbs.ch
          Article
          PMC7965522 PMC7965522 7965522 11-01076
          10.3174/ajnr.A2974
          7965522
          22403774
          81d30ad1-1fa6-45f6-aacb-2e0d727a1406
          © 2012 by American Journal of Neuroradiology
          History
          : 1 September 2011
          : 31 October 2011
          Categories
          Head & Neck

          Comments

          Comment on this article