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Flashcards in Brain imaging Deck (68)
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1

: If a brain exam is being performed and the request is made to rule out acoustic neuroma, a protocol with thin cuts through the _________ should be performed

: Internal Auditory Canals

2

The _____________ imaging plane would be the most optimal slice orientation for evaluation of Arnold Chiari Malformation and its inferior cerebellar tonsillar herniation.

sagittal

 

3

A FLAIR sequence with a long TI is utilized to

null the signal from CSF

4

: If a brain exam is being perfomed and the request is made to rule out microadenoma due to elevated prolactin levels, a protocol with thin cuts through the ____________ should be performed.

Pituitary gland

5

: If a brain exam is being perfomed and the request is made to rule out globe tumor due to symptoms of diplopia, a protocol with thin cuts through the ____________ should be performed

Orbits/Optic Nerves

6

MR findings of a low volume corpus callosum and increased white matter lesions can be indicative of a diagnosis of:

Multiple Sclerosis

7

: If a brain exam is being performed and the request is made to evaluate cranial nerves VII and VIII due to the patient's symptoms of tinnitus, a protocol with thin cuts through the ____________ should be performed

Internal Auditory Canals

8

: How many cranial nerves are there?

12

9

: To best visualize the pituitary gland in MRI, high resolution T1 weighted images in the __________ planes pre and post contrast are optimal.

Sagittal and Coronal

10

: ____________ is a condition in which part of the cerebellar tonsil is displaced through the foramen magnum

Chiari Malformation

11

: When imaging a hemorrhagic infarct in the brain, which pulse sequence would demonstrate the magnetic susceptibility effects better?

Gradient echo

12

: _______ sequences are performed to suppress CSF (cerebro-spinal fluid)and aid in the detection of demyelination

FLAIR

13

The brainstem includes all of the following EXCEPT

Putamen

14

On a T2 weighted image, CSF appears bright because it has a __________ relaxation time.

Long T2

15

The stalk of the pituitary gland is also known as the:

Infundibulum

16

The right and left optic nerve join at the:

Optic chiasm

17

: The medial and lateral rectus muscles are located in the

eye

18

What scan plane would be optimal for visualization of the hippocampus?

Coronal oblique

19

Which dural venous sinuses drain from the confluence of sinuses (by the internal occipital protuberance) to the mastoid portion of the temporal

Transverse sinuses

20

Which structure lies adjacent to the head of the caudate nucleus

Anterior horn of the lateral ventricle

21

In the TMJ’s, the articular disc lies between what two anatomical structures

: Mandibular fossa and mandibular condyle

22

The insular cortex is primarily responsible for:

Motor control; cognitive function

23

Which cranial nerve is responsible for Bell's Palsy?

Cranial nerve VII (the facial nerve)

24

To accurately depict the VII and VIII cranial nerves, the patient would centered at the level of the:

External auditory meatus

25

The dural venous sinuses that drain into the internal jugular vein are the:

Sigmoid sinus

26

When positioning a patient for a brain MRI, the centering should be placed at what anatomical landmark?

Nasion

27

If the third ventricle is dilated, but the fourth ventricle is not, there would then be pathology associated with:

: Aqueduct of Sylvius

28

A depression in the base of the skull where the pituitary gland is located is called the ___________.

Sella turcica

29

Which fissure divides the frontal and parietal lobes from the temporal lobes?

Sylvian fissure

30

The __________________ runs the length of the falx cerebri.

Superior sagittal sinus