Brachial plexus Flashcards
1
Q
Why is a T1 sequence helpful
A
good for normal anatomy, Nerves really stand out due to peri-neural fat planes good for looking for muscle atrophy
2
Q
why is contrast helpful
A
can diagnose functional nerve injury (look normal morphologically but have functional impairment)
3
Q
why does the FOV include the contralateral nerve roots?
A
as an internal control
4
Q
how is vascular pulsation artifact decreased?
A
saturation band through the vessels
5
Q
localization of roots
A
neural foramen
6
Q
localization of trunks
A
interscalene triangle
7
Q
localization of divisions
A
lateral to scalene triangle, above the clavicle
8
Q
localization of cords
A
lateral to first rib, below the clavicle
9
Q
localization of branches
A
lateral border of pec minor
