Brain Imaging Flashcards
0
Q
look for what 3 things if occipital trauma?
A
soft tissue swelling
contrecoup injury
fracture
1
Q
shape of extradural on CT?
A
biconvex
2
Q
what kind of MRI image shows pathology better?
A
T2
3
Q
MRA highlights what?
A
Magnetic resonance angiography
highlights flowing blood
4
Q
DWI shows to help identify? regions of diffusion restriction?
A
stroke
5
Q
Masses in brain can be 2 things area wise
A
intra-axial
extra-axial
6
Q
when ‘mass’ arises from falx cerebri usually a what?
A
meningioma
7
Q
myelopathic means?
A
symptoms to do with spinal cord
8
Q
what’s bright on T1? 3 things
A
fat
slow flowing blood
extracellular methaemoglobin
9
Q
What’s dark on T2? 4 things
A
Air
Bone
flowing blood (flow voids)
iron/haemosiderin
