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MRI Head and Neck
All 4 modules - from the two tests to study for final
33
Anatomy
Professional
12/01/2012

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Cards

Term
Condition associated with cafe au lait spots
Definition
neurofibromatosis
Term
what is the most common type of intracranial vascular malformation?
Definition
arteriovenous malformation (AVM)
Term
An MS plaque is active (or acute) if it enhances on _____
Definition
post-contrast T1
Term
which condition features cerebellar tonsil protruding through the foramen magnum?
Definition
Arnold-Chiari malformation
Term
an enlarged collection of veins is called a
Definition
venous malformation
Term
this condition arises from the membranes covering the brain
Definition
meningioma
Term
This is the most common brain tumor in adults and usually appears isointense on a T1 weighted image
Definition
glioma
Term
A ___________ pulse sequence will demonstrate a stroke shortly after onset of symptoms
Definition
DWI
Term
What cranial nerve is involved in the formation of a Schwannoma?
Definition
8th
Term
On a FLAIR pulse sequence, one would expect an MS plaque to appear ______ and the lateral ventricles to appear _____
Definition
bright, dark
Term
Optic neuritis would demonstrate as a ___________ signal on a T2 weighted image
Definition
hyperintense/bright
Term
What is a common benign, slow-growing tumor of the pituitary gland?
Definition
pituitary adenoma
Term
most common primary brain tumor
Definition
glioma
Term
highly malignant glioma
Definition
glioblastoma
Term
tumor normally arising from the walls of the 4th ventricle primarily in children
Definition
ependymoma
Term
sometimes termed the "silent tumor"
Definition
temporal lobe tumor
Term
most common pineal tumor
Definition
germinoma
Term
MS is easily detected using the _____________ pulse sequence to better visualize around the ventricular system for small lesions.
Definition
FLAIR
Term
term for involuntary rapid eye movement
Definition
nystagmus
Term
swollen optic nerve causing visual disturbance
Definition
papilledema
Term
unilateral eye infection similar to conjunctivitis
Definition
Parinaud's syndrome
Term
What is the main source of artifact when imaging the brachial plexus?
Definition
respiratory motion
Term
Where is the brachial plexus located - between ___ and ____
Definition
between C3 and T2
Term
If a patient has had a recent head trauma, a ____________ pulse sequence should be completed to rule out a brain bleed.
Definition
GRE
Term
What is the best choice of coil to image the upper brachial plexus.
Definition
cervical coil
Term
When scanning the orbit, the axial slices should be parallel to the:
Definition
optic nerve
Term
When scanning a routine brain, the most inferior axial slice should extend just inferior what structure
Definition
foramen magnum
Term
In what plane is the brachial plexus is best imaged?
Definition
coronal
Term
Which imaging option will reduce flow artifact from the carotid arteries?
Definition
inferior and superior SAT bands
Term
If chemical saturation techniques are not available for orbit imaging, a ____________ pulse sequence can be used to suppress the fat signal around the optic nerve.
Definition
STIR
Term
The pituitary gland is best evaluated in which two planes?
Definition
coronal and sagittal
Term
Where do the nerves of the brachial plexus terminate?
Definition
axilla
Term
When imaging the posterior fossa, prescribe slices from the posterior border of the cerebellum to [_____]
Definition
clivus
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