Imaging of the Brain

Question 1

Is fluid bright in T1 or T2 wieghted images?

Answer 1

T2

Question 2

What is measured in nuclear medicine?

Answer 2

Metabolic activity

Question 3

What are some techniques that can used to image arteries?

Answer 3

Digital substraction angiography

CT angiography

Question 4

When do you use xrays on the skull?

Answer 4

Skull bony lesions

Question 4

What is substracted angiography?

Answer 4

Where a view of vessels is isolated by substracting other features

Question 4

Are T2 weighted MRI images better for pathology or anatomy?

Answer 4

Pathology

Question 7

How do functional MRI’s work?

Answer 7

Highlight areas of increased O2 as a reflection of their activity

Question 8

How do grey and white matter appear on CTs?

Answer 8

Very similar

Question 9

When are ultrasounds used?

Answer 9

In neonates or during surgery when skull is removed

Question 10

Are T1 weighted MRI images better for pathology or anatomy?

Answer 10

Anatomy

Question 11

What are the pro’s and con’s of CTs for the skull?

Answer 11

Pros:

Fast

Better than MRI for air and bone

Patients can remain connected to everything

Cons:

Radiation

Skull casts a shadow