Neuroimaging

Question 1

Neuroimaging techniques

Answer 1

X-rays, CT, MRI, Cerebral Angiography, Myelography, Nuclear Medicine.

Question 2

CT scanning

Answer 2

Don’t see fine detail. Quick, used in emergencies. Can be 3D. Good for seeing bone and calcification.

Question 3

CTA (A for angiography) scans

Answer 3

Contrast good for showing arterial system.

Question 4

Basal Ganglia and associated nuclei

Answer 4

Caudate nucleus,
Putamen,
Globus pallidus,
Subthalamic nucleus,
Substantia nigra

Question 5

What is the lenticular nucleus

Answer 5

Putamen and globus pallidus

Question 6

Striatum (neostriatum)

Answer 6

Caudate nucleus and putamen

Question 7

Corpus striatum

Answer 7

Caudate nucleus, putamen and globus pallidus

Question 8

MRI Hazards

Answer 8

Projectile effect (magnetic materials will get attracted very quickly)

Heat (metal and tissue heat v quickly, not dissimilar to microwave)

Pacemakers, metallic objects, electric devices

Question 9

MRI causing peripheral nerve stimulation

Answer 9

Induced currents in body may be large enough to send impulse down peripheral nerves causing pain/tingling