Page 66 - MEGIN Book Of Abstracts - 2023

so, they provide valuable information for mapping Raman spectroscopy in intraoperative histopatho-
preoperative and postoperative neural reshaping and logical diagnosis of tissue to guide tumor resection.
plan surgical strategies to preserve language function Tumors may shift the normal arrangement of func-
and patient's quality of life. tional anatomy in the brain; thus, utilization of multiple
modalities may be helpful in operative planning and
Keywords: brain rhythms, brain tumors, language, magne- patient counseling for successful surgery.
toencephalography, neuroplasticity
Keywords: Diffusion tensor imaging, Functional MRI,
Human brain mapping (2021), Vol. 42, No. 6 (33368838) (9 Glioma, Imaging, Low-grade glioma, Magnetoencepha-
citations) lography, Stimulated Raman microscopy, Transcranial
magnetic stimulation

Structural and Functional Imaging in Glioma Neurosurgery (2021), Vol. 88, No. 2 (33313852) (4 citations)
Management (2021)

Brahimaj, Bledi C; Kochanski, Ryan B; Pearce, John J; Visual Mapping With Magnetoencephalography:
Guryildirim, Melike; Gerard, Carter S; Kocak, Mehmet; An Update on the Current State of Clinical Research
Sani, Sepehr; Byrne, Richard W and Practice With Considerations for Clinical
Practice Guidelines (2020)
Department of Neurosurgery, Rush University Medical Center,
Chicago, Illinois; Department of Radiology and Radiological Zillgitt, Andrew; Barkley, Gregory L; Bowyer, Susan M
Science, Johns Hopkins Hospital, Baltimore, Maryland; Swed-
ish Neuroscience Institute, Swedish Medical Center, Seattle, Department of Neurology, Henry Ford Health System, Detroit,
Washington; Department of Diagnostic Radiology and Michigan, U.S.A; Department of Physics, Oakland University,
Nuclear Medicine, Rush University Medical Center, Chicago, Rochester, Michigan, U.S.A
Illinois
ABSTRACT Using visual evoked fields (VEFs) to differ-
ABSTRACT The goal of glioma surgery is maximal safe entiate healthy, normal brain function from dysfunc-
resection in order to provide optimal tumor control and tional cortex has been demonstrated to be both valid
survival benefit to the patient. There are multiple imag- and reliable. Currently, VEFs are widely implemented to
ing modalities beyond traditional contrast-enhanced guide intracranial surgeries for epilepsy and brain tu-
magnetic resonance imaging (MRI) that have been mors. There are several areas of possible future clinical
incorporated into the preoperative workup of patients use of VEFs, including early identification of disorders,
presenting with gliomas. The aim of these imaging such as multiple sclerosis, Parkinson's disease, stroke,
modalities is to identify cortical and subcortical areas and human immunodeficiency virus-associated neuro-
of eloquence, and their relationship to the lesion. In cognitive disorders. These studies have suggested that
this article, multiple modalities are described with an VEFs could be used to study disease pathophysiology
emphasis on the underlying technology, clinical utiliza- or as a biomarker for early identification of a disorder.
tion, advantages, and disadvantages of each. functional The current clinical practice guidelines of the American
MRI and its role in identifying hemispheric dominance Clinical Magnetoencephalography Society for VEFs are
and areas of language and motor are discussed. The sufficient. At this time, VEFs should be used clinically
nuances of magnetoencephalography and transcranial
magnetic stimulation in localization of eloquent cortex
are examined, as well as the role of diffusion tensor im-
aging in defining normal white matter tracts in glioma
surgery. Lastly, we highlight the role of stimulated

 ontents  Index 45
C