Journal
JOURNAL OF KOREAN NEUROSURGICAL SOCIETY
Volume 59, Issue 4, Pages 405-409Publisher
KOREAN NEUROSURGICAL SOC
DOI: 10.3340/jkns.2016.59.4.405
Keywords
7.0 T MRI; Meningioma
Categories
Funding
- Ministry for Health, Welfare & Family Affairs, Republic of Korea [A101446-1011-0000400]
- National Research Foundation (NRF), the Ministry of Education, Science, and Technology of Korea [2012-0006605]
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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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