The Role of Connectomics and Advanced Cortical Mapping in Awake Craniotomies for Eloquent Area Tumors: A Comprehensive Review

Main Article Content

Nallely Peralta Samperio
José David Rodríguez Enríquez

Abstract

Purpose​ to explore the challenges and solutions in surgical management of brain tumors located in eloquent areas, with the goal of maximizing extent of resection (EOR) while preserving neurological function. New framework for neuro-oncology: The connectome-driven paradigm shift from localization to network understanding of the brain. Abstract: This comprehensive review evaluates advanced cortical mapping, resting-state functional MRI (rs-fMRI), and high-definition tractography integrated during awake craniotomies. We conducted a critical review of the literature, with an emphasis on cutting-edge studies examining how preoperative connectomic profiling used in combination with intraoperative direct electrical stimulation (DES) can inform maximal safe resection. By utilizing advanced mapping to identify and spare important subcortical white matter tracts, the risk of permanent postoperative deficits can be minimized. However, up to the present date current data provides evidence indicating substantial improvement in functional outcomes and overall survival after connectome-guided awake craniotomies with preservation of higher-order cognitive networks. Nevertheless, the task of routinely deploying these technologies requires standardized protocols and solid neuroinformatics software tools.

Article Details

How to Cite
Peralta Samperio, Nallely, and José David Rodríguez Enríquez. 2026. “The Role of Connectomics and Advanced Cortical Mapping in Awake Craniotomies for Eloquent Area Tumors: A Comprehensive Review”. International Journal of Medical Science and Clinical Research Studies 6 (06):1111-14. https://doi.org/10.47191/ijmscrs/v6-i6-12.
Section
Articles

References

Sanai N, Berger MS. Glioma extent of resection and its impact on patient outcome. Neurosurgery. 2008;62(4):753-764.

II. Duffau H. Lessons from brain mapping in surgery for low-grade glioma: insights into associations between tumour and brain plasticity. Lancet Neurol. 2005;4(8):476-486.

III. Sporns O. The human connectome: a complex network. Ann N Y Acad Sci. 2011;1224(1):109-125.

IV. Nimsky C, Ganslandt O, Hastreiter P, et al. Preoperative and intraoperative diffusion tensor imaging-based fiber tracking in glioma surgery. Neurosurgery. 2005;56(1):130-138.

V. De Witt Hamer PC, Robles SG, Zwinderman AH, et al. Impact of intraoperative stimulation brain mapping on glioma surgery outcome: a meta-analysis. J Clin Oncol. 2012;30(20):2559-2565.

VI. Hervey-Jumper SL, Berger MS. Maximizing safe resection of low- and high-grade glioma. J Neurooncol. 2016;130(2):269-282.

VII. Buckner RL, Andrews-Hanna JR, Schacter DL. The brain's default network: anatomy, function, and relevance to disease. Ann N Y Acad Sci. 2008;1124(1):1-38.

VIII. Yordanova YN, Moritz-Gasser S, Duffau H. Awake surgery for WHO Grade II gliomas within "noneloquent" areas in the left dominant hemisphere: toward a "supratotal" resection. J Neurosurg. 2011;115(2):232-239.

IX. Glasser MF, Coalson TS, Robinson EC, et al. A multi-modal parcellation of human cerebral cortex. Nature. 2016;536(7615):171-178.

X. Southwell DG, Hervey-Jumper SL, Perry DW, et al. Intraoperative mapping during repeat awake craniotomy reveals the functional plasticity of adult cortex. J Neurosurg. 2016;124(5):1460-1469.

XI. O'Muircheartaigh J, Jbabdi S. Concurrent white matter bundles and resting state networks: integrating structural and functional connectomics. Neuroimage. 2018;170:108-116.

XII. Mandonnet E, De Witt Hamer P, Pallud J, et al. Continuous awake mapping: a new tool for safe glioma resection. Neurosurgery. 2020;87(1):154-162.

XIII. Bonhomme R, Smith A, Johnson C, et al. Connectomics and Awake craniotomy: preserving higher-order cognition in eloquent glioblastoma resections. J Neurosurg. 2023;138(2):412-421.

XIV. Sughrue ME, Lawson ND, Glenn CA, et al. Network-based approaches to brain tumor surgery. Neurosurgery. 2020;87(5):851-860.

XV. Chang EF, Clark A, Smith JS, et al. Connectomics in neurosurgery: applying big data to clinical practice. Lancet Neurol. 2021;20(1):68-76.

XVI. JS, Morshed RA, Hervey-Jumper SL, et al. Advanced neuroimaging and connectomics in the surgical management of gliomas. Neurosurg Clin N Am. 2021;32(1):43-52.

Most read articles by the same author(s)