Introduction to Neuroimaging

Question 1

Compare how CT and MRI are used for neuroimaging.

Answer 1

Question 2

Compare how structures look on a T1 compared with a T2.

Answer 2

T1:

• Grey matter darker
• White matter brighter
• CSF (water) black
• Bone black

Protein ++ brighter

T2:

• Grey matter brighter
• White matter darker
• CSF (water) white
• Bone black
• Protein ++ darker

Question 3

How are coronal sections viewed?

Answer 3

As if looking at the patient straight on.

Question 4

How are axial sections viewed?

Answer 4

As if the patient is lying on their back and you are looking up their body via their feet.

Question 5

Label the 2 structures that the arrows are pointing to.

Answer 5

Question 6

With increasing age, numerous CNS-related structures may begin to calcify.

Answer 6

Question 7

How will the ventricular system appear on T2 MRI?

Answer 7

Fluid filled - white

Question 8

Label the sinuses that the arrows are pointing to.

Answer 8

Question 9

Label the areas that have been scribbled out.

Answer 9

Question 10

Label the areas that the arrows are pointing to.

Answer 10

Question 11

What would cross sectional images at these levels look like?

Answer 11

Question 12

What would cross sectional images at these levels look like?

Answer 12

Question 13

Why may bone appear asymmetrical on CT?

Answer 13

Because of the angle/orientation of the image

Question 14

Label the areas that have been scribbled out.

Answer 14

Question 15

Label the areas that the arrows are pointing to.

Answer 15

Question 16

Label the areas that the arrows are pointing to.

Answer 16

Question 17

Label the areas that have been scribbled out.

Answer 17