MRI Tractography (DTI) — Diffusion Tensor Imaging

Diffusion Tensor Imaging (DTI) is an advanced MRI technique used to visualize and analyze the white matter pathways of the brain. It evaluates the diffusion of water molecules along nerve fibers, enabling three-dimensional reconstruction of neural tracts.

Unlike conventional MRI, which focuses on anatomical structures, DTI provides insight into the integrity and connectivity of white matter pathways.

What DTI Can Assess

  • integrity and orientation of major white matter tracts;
  • damage after stroke or traumatic brain injury;
  • changes in demyelinating diseases;
  • disrupted connectivity in neurological and psychiatric disorders;
  • relationship between tumors and critical functional pathways.

MRI Tractography [DTI] (Diffusion Tensor Imaging)

Clinical Applications

  1. Neurological diagnosis. Detects microstructural changes not visible on routine MRI.
  2. Stroke and trauma evaluation. Assesses the extent of white matter injury.
  3. Preoperative planning. Identifies motor and language tracts to reduce surgical risks.

DTI in Brain Tumor Surgery

In patients with brain tumors, DTI helps determine the spatial relationship between the lesion and adjacent white matter tracts. This information is crucial for selecting the safest surgical approach while preserving critical brain functions.

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The final result is a three-dimensional reconstruction of neural pathways — a tractogram — which enhances surgical precision and patient safety.