Journal of Korean Neurosurgical Society

The Korean Neurosurgical Society (대한신경외과학회)
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Experience with 7.0 T MRI in Patients with Supratentorial Meningiomas

  • Song, Sang Woo (Department of Neurosurgery, Seoul National University College of Medicine) ;
  • Son, Young Don (Neuroscience Research Institute, Gachon University of Medicine and Science) ;
  • Cho, Zang-Hee (Neuroscience Research Institute, Gachon University of Medicine and Science) ;
  • Paek, Sun Ha (Department of Neurosurgery, Seoul National University College of Medicine)
  • Received : 2015.04.09
  • Accepted : 2015.10.27
  • Published : 2016.07.01
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Abstract

Meningiomas are typically diagnosed by their characteristic appearance on conventional magnetic resonance imaging (MRI). However, detailed image findings regarding peri- and intra-tumoral anatomical structures, tumor consistency and vascularity are very important in pre-surgical planning and surgical outcomes. At the 7.0 T MRI achieving ultra-high resolution, it could be possible to obtain more useful information in surgical strategy. Four patients who were radiologically diagnosed with intracranial meningioma in 1.5 T MRI underwent a 7.0 T MRI. Three of them underwent surgery afterwards, and one received gamma knife radiosurgery. In our study, the advantages of 7.0 T MRI over 1.5 T MRI were a more detailed depiction of the peri- and intra-tumoral vasculature and a clear delineation of tumor-brain interface. In the safety issues, all patients received 7.0 T MRI without any adverse event. One disadvantage of 7.0 T MRI was the reduced image quality of skull base lesions. 7.0 T MRI in patients with meningiomas could provide useful information in surgical strategy, such as the peri-tumoral vasculature and the tumor-brain interface.

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References

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