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MRI Procedures & Patho Phys > Mod 2 head face and neck > Flashcards

Mod 2 head face and neck Flashcards

(46 cards)

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1
Q

Multiple Sclerosis (MS)
Primary Tumor and/or Metastatic disease
AIDS (Toxoplasmosis)
Infarction/Stroke (CVA) / (TIA)
Hemorrhage
Visual Disturbances / Hearing Loss / Tinnitus / Vertigo
Infection
Trauma
Unexplained NeuroSymptoms or Deficit
Pre-Operative Planning –Stryker Brain, Post Op F/U

A

Brain pathology

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2
Q

Head Coil (Quad/HD Multi-Channel Array)
NV Array
Immobilization pads, straps and/or sponges
Ear Plugs
High Performance Gradients (EPI for DWI & Perf)
Power Injector for Perfusion Imaging 6ml/sec

A

Brain imaging equipment

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3
Q

Supine on the MRI Patient Table
Longitudinal Alignment Light Midline
Horizontal Alignment Light at Nasion/Glabella
Utilize a Variety of Pads, Sponges, Blankets etc. in an Effort to Make the Pt. as Comfortable as Possible and isolate them from any cables to avoid burns

No temperature catheters

remove ECG leads and med patches

A

Brain imaging pt position

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4
Q

3 Plane loc Centered to Anatomy in the Longitudinal and Horizontal Axis
ASSET Cal. Scan
SAG T1 FLAIR (SUPERIOR GREY/WHITE DIF) L TO R
AX DWI
AX T2 FSE FS
AX T1 FSE/FLAIR
AX T2 FLAIR
COR T2 FS
PRE AX T1 FSE FS
POST AX T1 FSE FS
POST COR T1 FSE FS

A

Brain scans

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5
Q

Pituitary
Temporal Lobes
IAC’s/Brain Stem for ALL Cranial Nerves
Orbits
ParanasalSinuses

A

small FOV brain imaging

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6
Q

Hyperprolactemia
Cushing’s Disease
Acromegaly
Hypopituitarism
Diabetes Insipidus
Dx’ingand Post SurgF/U of Pit adenomas

A

Pituitary pathology

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7
Q

Epilepsy/ Seizure disorders
Tumors
AVM
Leukodystrophies
Atrophic Processes
Measuring HippocampalVolume (Atrophy in Alzheimer’s/Schizophrenia
Signal changes within the Hippocampus and and Temporal lobes

A

Temporal lobes pathology

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8
Q

Acoustic Neuroma(Vestibular Schwannoma)
7thCranial Nerve
Facial Palsy/Numbness/Doop
HemifacialSpasm
Trigeminal Neuralgia
VERTIGO
NOT DIZZINESS

A

Posterior Fossa

IAC Indications/Pathology

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9
Q

Visual Disturbances
Diploplia
Blurred Vision
Proptosis(Forward protrusion)
Orbital / Ocular mass lesions
Retro-Orbital masses
Optic nerve lesions
Optic nerve Sheath Evaluation of lesions

A

Orbits… Indications/Pathology

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10
Q

Staging Neoplasms
Differentiating Neoplasmsfrom Inflammation
Headaches (Weak DX)
Boney Erosion due to Chronic untreated sinusitis
Abscess

A

Paranasal Sinuses –Indications/Pathology

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11
Q

Staging OropharyngealCarcinoma
Pharyngeal and parapharyngealmasses
Evaluation in Sleep Apnea
Abscess

A

Pharynx

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12
Q

Carcinoma of the Larynx
Reconstructive Assesment
Disorders of the Vocal Cords/Phonation Irregularities
Abscess

A

Larynx

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13
Q

Carcinoma
Detection of other Salivary Gland Masses
Salivary Duct Obstructions
Staging of Neoplasmsand Nodal Involvement

A

Salivary Glands

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14
Q

Suspected Internal MeniscalDerrangement
Lock Jaw
Post Surgical MeniscalEvaluation Due to Progressively Worsening Symptoms
Clicking and Popping
Limited Range of Motion
PAIN

A

TemporomandibularJoints (TMJ)

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15
Q

Thyroid Carcinoma

RetrosternalGoiter

Detecionand characterization of Parathyroid Adenoma

A

Thyroid & Parathyroid

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16
Q

temporal lobe scan coil

A

head coil

quadrature or multi-coil array

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17
Q

posterior fossa

internal auditory meatus

coil

A

head coil

quadrature or multi coil array

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18
Q

pituitary fossa

coil

A

head coil

quadrature or multi coil array

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19
Q

orbits coil

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A

small surface coil for blobe and orbit

quadrature head or multi coil array

20
Q

paranasal sinuses

coil

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A

head coil

quadrature or multi coil array

21
Q

pharynx

coil

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A

anterior neck/volume neck coil for cervical nodal involvement

head coil

quadrature or phased array for pharyngeal area and base of skull

22
Q

larynx coil

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A

anterior neck coil

volume neck coil

23
Q

thyroid/parathyroid coil

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A

anterior neck coil

volume neck coil

24
Q

parotid salivary glands coil

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A

quadrature or multi array head coil

25
submandibular salivary glands coil
anterior neck coil volume neck coil
26
temporomandibular joint coil
dual three inch coils multi array TMJ coils
27
vascular imaging coil
quadrature or phased array head coil
28
optional protocols SAG SE T1 AX SE/FSE T2 COR SE/FSE T1 COR 3D incoherent (spoiled) GRE T1 AX/COR IR-FSE T2
temporal lobe scans
29
SAG SE T1 or GRE T2 AX SE/FSE T1 AX SE/FSE T1 w/contrast additional scans COR SE/FSE T1 w wo contrast 3D incoherent (spoiled) GRE T1 w wo contrast
posterior fossa internal auditory meatus scans
30
AX FSE T2 COR FSE T2 3D T2 or GRE T2\*
high res techniques for posterior fossa internal auditory meatus
31
COR SE/FSE T1 w wo contrast SAG SE/FSE T1 w wo contrast 3d INCOHERENT (SPOILED) GRE T1 w wo contrast AX SE/FSE T1 w wo contrast
pituitary scans
32
SAG SE/FSE T1 AX SE/FSE T1 or T2 COR SE/FSE T2 or STIR COR/AX SE/FSE T1
orbits scans
33
SAG SE T1 COR SE/FSE T1 AX SE/FSE T1 COR SE/FSE PD/T2
paranasal sinus scans
34
AX SE/FSE PD/T2 SAG SE?FSE PD/T2
pharynx scans
35
SAG SE/FSE T1/T2 AX SE/FSE T1 COR SE/FSE T1 AX/COR SE/FSE PD/T2 fast incoherent (spoiled) GRE/EPI T1
larynx scans
36
COR SE/FSE T1 AX/COR SE/FSE T1 AX/COR SE/FSE PD/T2
thyroid/parathyroid scans
37
SAG SE T1 COR SE/FSE T1 AX SE/FSE T1 AX SE/FSE PD/T2 SS-FSE/FSE T2
salivary glands scans
38
AX SE/FSE T1 mouth closed SAG T1 mouth closed SAG T1 mouth open COR T1 SAG FSE/SS-FSE/EPI mouth opening and closing 3D incoherent (spoiled) GRE/FSE T1
TMJ scans
39
SAG SE T1 localizer 3D TOF or PC
vascular brain scans
40
COR coherent GRE for localizer AX 2D TOF-MRA thin slices #D TOF-MRA 3D coherent GRE T2\* if no MRA software
vascular neck scans
41
gadolinium enhancing lesions will show as hyperintense. can be extremely useful for demonstrating meningeal enhancement both enhancing lesion and edema are well demonstrated
T2 FLAIR
42
provide excellent G/W contrast particularly in pediatric pt and for all pt when imaging at 3T
T1-IR
43
provide excellent G/W contrast as well as greatly reduced flow artefacts due to very short TE
Spoiled GRE
44
very useful particularly when imaging pts who are unable to remain motionless for extended periods of time
motion resuctoin techniques PROPELLER
45
useful when very thin contiguous slices are required (imaging the IAC's) when acquired in an isotropic fashion image data may be retrospectively into multiple planes
3D or volume imaging
46
may be resuced by increasing the rcvr bandwidth reducing slice thickness avoiding GRE sequences when possible
metal artefacts from dental work

MRI Procedures & Patho Phys (5 decks)

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