Tu - Lecture DTI Flashcards
1
Q
What does the diffusion coefficient mean?
A
The distance a water molecule can travel in a certain time
2
Q
Water in tissue: Diffusion is hindered -> (smaller/bigger) diffusion coefficient
A
Water in tissue: diffusion is hindered -> smaller diffusion coefficient
3
Q
What does ADC stand for?
A
Apparent diffusion coefficient
4
Q
What does isotropic mean?
A
Same possibility in all directions
5
Q
What does anisotropic mean?
A
There’s a preference for a direction
6
Q
What happens in area with a lesion with the perpendicular diffusion, the radial diffusivity and the FA? (increased/decreased)
A
Perpendicular diffusion will be easier, RD (Radial diffusivity) is increased, FA will be lower.
