W9 TMJ methodology Flashcards
1
Q
RF coils
A
Dual 3 inch. High channel head coil for Siemens and GE.
2
Q
Positioning
A
Supine head first. Bite block for open mouth.
3
Q
Landmarking
A
Long midline, horizontal through TMJ
4
Q
Planes, weighting, seq
A
3 plane loc
Cor T1
Sag PD closed
Sag PD open
5
Q
staple sequences?
A
T1, PD
6
Q
Staple plane?
A
Sag obl
7
Q
How is sag obl planned?
A
perp to mandibular condyles
8
Q
When planning open mouth sequences on closed mouth loc, what to be careful for?
A
add extra slices laterally to include entire joint.
9
Q
FOV?
A
small 8-12 cm
10
Q
Slice thickness/ gap
A
2-3 mm skip 0.5
11
Q
matrix
A
medium
12
Q
NEX
A
3?
13
Q
OI?
A
Sat band and FC
14
Q
Is gad common in TMJ imaging?
A
No
15
Q
what is cinematic imaging?
A
using adjustable bite block to acquire a set of images with mouth opening and closing, ran as a movie loop.
