MRI - FINALS 3-1 CASE STUDIES (ALL GROUPS) Flashcards

(40 cards)

1
Q

GROUP 1 (Contrast-Induced Encepalopathy)

What is the primary neurological deficit that persisted upon the patient’s discharge ?

A

Cortical Blindness

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2
Q

GROUP 1 (Contrast-Induced Encepalopathy)

It is a condition that occurs when contrast agents disrupt the blood-blain barrier during endovascular interventions, causing neurological impairment characterized by cerebral edema

A

Contrast-Induced Encepalopathy

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3
Q

GROUP 1 (Contrast-Induced Encepalopathy)

The treatment of contrast-induced encepalopathy is _______

A. Asymptomatic
B. Symptomatic
C. Intravenously
D. NOTA

A

B. Symptomatic

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4
Q

GROUP 1 (Contrast-Induced Encepalopathy)

Which MRI variants were used for CIE ?

A. DWI
B. FLAIR
C. T1-Weighted
D. T2-Weighted

A

Either A or B (DWI & FLAIR)

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5
Q

GROUP 1 (Contrast-Induced Encepalopathy)

What procedure did the 68-year old patient undergo for her basilar tip aneurysm ?

A. Stent-assisted Coil Embolization

B. Endovascular Flow Diversion

C. Surgical Aneurysm Clipping

D. Balloon Angioplasty

A

A. Stent-assisted Coil Embolization

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6
Q

GROUP 2 (LACRIMAL GLAND ABSCESS)

Which eye was affected with mild swelling caused by the inflammation of the lacrimal gland ?

A

Right Eye

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6
Q

GROUP 2 (LACRIMAL GLAND ABSCESS)

What microorganism causes the inflammation of the lacrimal gland and abscess formation ?

A. Virus
B. Fungi
C. Bacteria
D. Parasite

A

C. Bacteria

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6
Q

GROUP 2 (LACRIMAL GLAND ABSCESS)

What is the medical terminology for inflammation of the lacrimal gland ?

A

Dacryoadenitis

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7
Q

GROUP 2 (LACRIMAL GLAND ABSCESS)

Which imaging sequences were used in MRI for Lacrimal Gland Abscess ?

A. T1 and T2 Weighted

B. T2-Weighted and DWI

C. T1-Weighted and DWI

D. T1,T2, and DWI

A

B. T2-Weighted and DWI

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8
Q

GROUP 2 (LACRIMAL GLAND ABSCESS)

What kind/type of treatment was applied following abscess drainage and lacrimal gland biopsy ?

A

Antibiotic Treatment

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9
Q

GROUP 3 (CMR with Permanent Pacemakers)

Intermediate MR Scanning is an MR imaging system providing equilibrium for the following EXCEPT:

A. High Resolution
B. Accessibility
C. Cost-effectivity
D. NOTA

A

D. NOTA

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10
Q

GROUP 3 (CMR with Permanent Pacemakers)

Who among the five patients in the case was pulled out and deemed unsuccessful due to unexpected pacemaker malfunction ?

A

Patient 3 / Third Patient

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11
Q

GROUP 3 (CMR with Permanent Pacemakers)

TRUE OR FALSE

The MR Field Strength for Intermediate MR ranges from 0.5 - 1.5 T

A

TRUE

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12
Q

GROUP 3 (CMR with Permanent Pacemakers)

TRUE OR FALSE

Intermediate CMR in the case was performed with the Highest Specific Absorption Rate (SAR)

A

FALSE

(LOWEST SAR tayo zer)

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13
Q

GROUP 3 (CMR with Permanent Pacemakers)

What is the diagnosis made for Patient 5 ?

A

Dilated Cardiomyopathy

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14
Q

GROUP 4 (fMRI for Fronto-parietal Mass Suggestive of Low-Aggresive Tumor)

What are the two (2) imaging techniques used for the 22-year old patient who underwent neuroscanning ?

A. DENR & FDA
B. MRA & DTI
C. PET & CT
D. fMRI & DTI

A

D. fMRI & DTI

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15
Q

GROUP 4 (fMRI for Fronto-parietal Mass Suggestive of Low-Aggresive Tumor)

How do fMRI and DTI contribute to neurosurgical planning for brain tumors ?

A. fMRI maps blood vessels; DTI identified CSF flow

B. fMRI identified tumor margins; DTI maps tumor density

C. fMRI shows structural damage; DTI shows tumor metabolism

D. fMRI identified motor cortex areas; DTI maps white matter tracts

A

D. fMRI identified motor cortex areas; DTI maps white matter tracts

16
Q

GROUP 4 (fMRI for Fronto-parietal Mass Suggestive of Low-Aggresive Tumor)

Where was the lesion located in the patient’s brain ?

A. Right Occipital Lobe, near the Visual Cortex

B. Left fronto-parietal region, near the primary motor cortex

C. Right temporal lobe, near the hippocampus

D. Cerebellum, adjacent to the brainstem

A

B. Left fronto-parietal region, near the primary motor cortex

17
Q

GROUP 4 (fMRI for Fronto-parietal Mass Suggestive of Low-Aggresive Tumor)

What is one common limitation of fMRI ?

A. Low Spatial Resolution

B. High Cost Only

C. Motion Artifacts

D. Too Fast Scanning

A

C. Motion Artifacts

18
Q

GROUP 4 (fMRI for Fronto-parietal Mass Suggestive of Low-Aggresive Tumor)

What is the meaning of DTI ?

A. Dense Tenor Imaging

B. Diffusion Tensor Imaging

C. Diffusion Tenor Imaging

D. Dress to Impress

A

B. Diffusion Tensor Imaging

19
Q

GROUP 5 (LFS)

LFS stands for ______ which is an autosomal dominant disorder caused by germline TP53 mutations

A

Li-Fraumeni Syndrome

20
Q

GROUP 5 (LFS)

How many LFS patients underwent WB-MRI at A.C Camargo Cancer Center ?

A

59 LFS Patients

21
Q

GROUP 5 (LFS)

What is the MR Field Strength used for MRI for LFS ?

22
Q

GROUP 5 (LFS)

How many cancer cases were detected on the initial round of MR scanning ?

23
GROUP 5 (LFS) TRUE OR FALSE LFS MRI was performed with contrast.
FALSE LFS MRI was performed WITHOUT CONTRAST.
24
GROUP 6 (CERVICAL SPINAL AVM) What are the main problems encountered in the study ? A. SCAVM and Metallic Implants B. Peacemaker and Post-partum Syndrome C. Recurrence and Early Onset D. Unknown Family History
C. Recurrence and Early Onset
25
GROUP 6 (CERVICAL SPINAL AVM) These are rare, vascular anomalies with abnormal artery-vein connections, bypassing capillaries
Arteriovenous Malformations (AVM)
26
GROUP 6 (CERVICAL SPINAL AVM) Symptoms presented during the patient's FIRST ADMISSION to the hospital include (2)
1. Severe Pain in the Neck 2. Severe Blood Loss
27
GROUP 6 (CERVICAL SPINAL AVM) It is characterized as a widespread asymmetrical plantarflexion of the foot.
Babinski Sign
28
GROUP 6 (CERVICAL SPINAL AVM) What years was the patient admitted (3) ?
1. 2011 2. 2020 3. 2023
29
GROUP 7 (Radiomics for Idiopathic Parkinson's Disease and MSA) Which two MRI sequences were primarily used in the study to differentiate Idiopathic Parkinson’s Disease (PD) from Multiple System Atrophy (MSA)? A. DWI and fMRI B. T1-Weighted and Susceptibility-Weighted Imaging C. T2-Weighted Imaging and Contrast-Enhanced Imaging D. PET-CT and fMRI
B. T1-Weighted and Susceptibility-Weighted Imaging
30
GROUP 7 (Radiomics for Idiopathic Parkinson's Disease and MSA) Which machine learning model achieved the highest diagnostic accuracy in distinguishing PD from MSA in the study? A. Logistic Regression (LR) B. Support Vector Machine (SVM) C. Light Gradient Boosting Machine (LGBM) D. K-Nearest Neighbors (KNN)
C. Light Gradient Boosting Machine (LGBM)
30
GROUP 7 (Radiomics for Idiopathic Parkinson's Disease and MSA) What is the major advantage of applying radiomics analysis to standard MRI sequences in neurodegenerative diseases? A. It reduces the cost of MRI scanning. B. It automatically cures neurodegenerative diseases. C. It extracts hidden quantitative features. D. It shortens the patient's hospital stay.
C. It extracts hidden quantitative features.
31
GROUP 7 (Radiomics for Idiopathic Parkinson's Disease and MSA) In radiomics analysis of PD and MSA, what main types of features are extracted from T1WI and SWI images? A. Shape, intensity, and texture patterns B. Contrast uptake levels C. Blood flow velocity and oxygen saturation D. Heart rate and blood pressure signals
A. Shape, intensity, and texture patterns
32
GROUP 7 (Radiomics for Idiopathic Parkinson's Disease and MSA) The loss of neurons in the substantia nigra is characteristic of: A. Multiple System Atrophy B. Parkinson's Disease C. Both A and B D. NOTA
B. Parkinson's Disease
33
GROUP 8 (Spinal Cord Astrocytoma) Which contrast media was used in the study ?
Gadolinium
34
GROUP 8 (Spinal Cord Astrocytoma) Spinal Cord Astrocytoma are rare intramedullary tumors arising from _______
Astrocytic Glial Cells
35
GROUP 8 (Spinal Cord Astrocytoma) TRUE OR FALSE MRI is considered as the most effective tool in diagnosing SCA ?
TRUE
36
GROUP 8 (Spinal Cord Astrocytoma) In the study, the SCA was graded ______ in line with the WHO A. Grade I B. Grade II C. Grade III D. Grade IV
B. Grade II
37
GROUP 8 (Spinal Cord Astrocytoma) What are the three (3) treatments performed for SCA ?
1. Open Biopsy 2. Partial Tumor Debulking 3. Laminoplasty