Neuroradiology Flashcards
1
Q
What are indications for a CT?
A
Stroke
Head Trauma
Headache if red flags for SAH
Looking for metastatic cancer in the brain
Post surgical for hydrocephalus or haemorrhage
2
Q
What are some indications for MRI?
A
Paediatric neurology Demyelination CNS tumours TIA Epilepsy Headache MRI spine for IV disc prolapse
3
Q
Name some contraindications for MRI?
A
Pregnancy Tattoos Claustrophobia Pacemakers Any metal implants
4
Q
What does a plain radiograph appear as?
A
Air is black
Soft tissue is grey
Bone is white and get superimposed
5
Q
What does a CT appear as?
A
CSF and air appear black
Brain appears grey with differences between white and grey matter
6
Q
What does an MRI appear as?
A
CSF appears white but only in a T2 scan
Has better white and grey differentiation than a CT
