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This study used gyrus-based white fiber dissection to classify brain tracts. Findings provide a framework for understanding brain connectivity and aid neurosurgical training.

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Area of Science:

  • Neuroanatomy
  • Neurosurgery
  • Brain Imaging

Background:

  • Understanding white matter tracts is crucial for surgical planning.
  • Minimizing postoperative deficits requires precise knowledge of neural pathways.

Purpose of the Study:

  • To classify brain white matter fiber bundles using a gyrus-based dissection approach.
  • To elucidate the architectural organization of association, commissural, and projection fibers.

Main Methods:

  • Utilized Klingler fiber dissection techniques on ten human cadaveric brains.
  • Employed handmade wooden and metallic spatulas for dissection.
  • Analyzed white matter tracts via naked eye and magnification, focusing on a gyrus-based approach.

Main Results:

  • Architecturally classified white fibers into five groups: four horizontal (superficial, middle, deep, central) and one vertical.
  • Association fibers comprised superficial, middle, and deep horizontal groups.
  • Commissural fibers formed the central horizontal group, and projection fibers constituted the vertical group.

Conclusions:

  • Gyrus-based fiber dissection enhances understanding of white matter tract complexity.
  • This method provides a valuable resource for neurosurgical training and surgical trajectory planning.