From: In vitro evaluation of cerebrospinal fluid velocity measurement in type I Chiari malformation: repeatability, reproducibility, and agreement using 2D phase contrast and 4D flow MRI
Imaging plane
Distance from FM [mm]
FM
0
C1
12.7
C2M
25.7
C2B
31.2
C3
35.7
C4
44.7
C5
53.7
C6
63.7
C7
72.7