Radiology: Head & Neck Trauma

Question 1

when do you use plain x-rays for head?

Answer 1

facial fracture

sellar expansion

Question 2

if you see a big bleed of haematoma, what else to look for?

Answer 2

look at the opposite site: coup contre-coup, possible sub-arachnoid

Question 3

why do you get grey differentiation in a haematoma?

Answer 3

a rebleed, or acute on chronic

Question 4

diffuse axonal injury is what?

Answer 4

sudden deceleration and injury to brain

decreased perfusion to distal parts of brain

Question 5

older or young person more at risk for diffuse axonal injury?

Answer 5

older person, more room to move

Question 6

brain is fixed at which 3 points

Answer 6

brainstem

corpus callosum x2

Question 7

request what for jaw view?

Answer 7

OPG

orthopantomogram

Question 8

in mandible is risk of what being injured?

Answer 8

mandibular nerve in the foramen

Question 9

in a facial trauma, what else to look for besides a mandible fracture?

Answer 9

orbits

sinuses

Question 10

plain x-rays for skull for trauma?

Answer 10

usually not very helpful