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Evaluation of hydrocephalus patients with 3D-SPACE technique using variant FA mode at 3T

Abstract

The major advantages of three-dimensional sampling perfection with application optimized contrasts using different flip-angle evolution (3D-SPACE) technique are its high resistance to artifacts that occurs as a result of radiofrequency or static field, the ability of providing images with sub-millimeter voxel size which allows obtaining reformatted images in any plane due to isotropic three-dimensional data with lower specific absorption rate values. That is crucial during examination of cerebrospinal-fluid containing complex structures, and the acquisition time, which is approximately 5 min for scanning of entire cranium. Recent data revealed that T2-weighted (T2W) 3D-SPACE with variant flip-angle mode (VFAM) imaging allows fast and accurate evaluation of the hydrocephalus patients during both pre- and post-operative period for monitoring the treatment. For a better assessment of these patients; radiologists and neurosurgeons should be aware of the details and implications regarding to the 3D-SPACE technique, and they should follow the updates in this field. There could be a misconception about the difference between T2W-VFAM and routine heavily T2W 3D-SPACE images. T2W 3D-SPACE with VFAM imaging is only a subtype of 3D-SPACE technique. In this review, we described the details of T2W 3D-SPACE with VFAM imaging and comprehensively reviewed its recent applications.

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Acknowledgements

The author would like to thank to engineer Ali Caglar Özen (University Medical Center Freiburg) and pediatric radiologist Evrim Ozmen (Istanbul University) for their excellent contributions. We also gratefully acknowledge Dr. Gülbiz Kartal (radiologist) and Musa Kurnaz (MR technician) for their contributions, and all UMRAM staff for providing technical support.

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Correspondence to Oktay Algin.

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Informed consent was obtained from all individual participants included in the study.

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Algin, O. Evaluation of hydrocephalus patients with 3D-SPACE technique using variant FA mode at 3T. Acta Neurol Belg 118, 169–178 (2018). https://doi.org/10.1007/s13760-017-0838-z

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  • DOI: https://doi.org/10.1007/s13760-017-0838-z

Keywords

  • Hydrocephalus
  • CSF
  • 3D-SPACE
  • Third ventriculostomy
  • Ventriculo-peritoneal shunt
  • Variant flip-angle
  • MR
  • 3T