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3.0T Diffusion Tensor Imaging (DTI) - Yonsei University, Seoul

ExamCard
Dr. Lee, Seung-Koo, M.D. Seoul, Yonsei University College of Medicine

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ExamCard Purpose

This ExamCard is used for DTI studies of patients with stroke, space occupying lesions in the brain, white matter pathologies such as MS, and congenital anomalies. It provides detailed information on the integrity and connectivity of white matter fibers.

ExamCard overview

3.0T DTI
Scan 1DTI

The DTI scan is a high angular acquisition with 2 mm isotropic voxels, scan time 10 minutes or more according to the number of slices. Before scanning, brain should be aligned along the AC-PC line and centered to exact midline for best results.

ExamCard images

 Color coded vector map. Detailed fiber structures around basal ganglia. Optic radiating fibers. ROI was settled at optic chiasm and optic tract. Note fiber connection to visual cortex.
Color coded vector map.
Detailed fiber structures around basal ganglia.
Optic radiating fibers. ROI was settled at optic chiasm and optic tract. Note fiber connection to visual cortex.

Patient preparation

Straight position of head is important.

AC-PC line alignment is also important.

Contrast agent / injection protocol

No contrast agent.

Post-processing / analysis:

PRIDE.

Yonsei scientists' and clinicians' enthusiasm for the DTI technique even spurred them to develop their own processing program for sophisticated, multi-featured and user-friendly diffusion tensor analysis: DoDti (Yonsei Univ S/W): URL http://neuroimage.yonsei.ac.kr/dodti

 

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ExamCard
Achieva 3.0T
Release 1
Brain, Neuro
 

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