NeuroRadio Flashcards
Best modality for cord evaluation
* CT
* MRI
* MRA
* X-ray
MRI
Spinal cord and soft-tissue injuries are best evaluated by magnetic resonance imaging (MRI), whereas spinal fractures are better characterized by computed tomography (CT).
Spinal fractures are better characterized by?
* CT
* MRI
* MRA
* X-ray
CT
Spinal cord and soft-tissue injuries are best evaluated by magnetic resonance imaging (MRI), whereas spinal fractures are better characterized by computed tomography (CT).
Identify the pointed structure
A.Calcarine fissure
B.Interhemispheric fissure
C.Rolandic fissure
D.Sylvian fissure
D.Sylvian fissure
Central Sulcus of Rolando (Divides FRONTAL from PARIETAL LOBE)
Longitudinal Fissure (Divides the two cerebral hemisphere)
Sylvian/ Lateral Fissure (Divides the temporal lobe from the frontal and parietal lobes )
Calcarine fissure
Located in the occipital lobe which divides cuneus from lingual sulcus
Identify the pointed structure
A.Calcarine fissure
B.Interhemispheric fissure
C.Rolandic fissure
D.Sylvian fissure
A.Calcarine fissure
Central Sulcus of Rolando (Divides FRONTAL from PARIETAL LOBE)
Longitudinal Fissure (Divides the two cerebral hemisphere)
Sylvian/ Lateral Fissure (Divides the temporal lobe from the frontal and parietal lobes )
Calcarine fissure
Located in the occipital lobe which divides cuneus from lingual sulcus
What is the arterial supply of the infarcted lobe?
A.Anterior cerebral artery
B.Middle cerebral artery
C.Posterior cerebral artery
D.Basilar artery
C.Posterior cerebral artery
Posterior cerebral artery (PCA).
Supply the temporal and the occipital lobes of both cerebral hemisphere
Q4: What is the arterial supply of the infarcted lobe?
A. Anterior cerebral artery
B. Middle cerebral artery
C. Posterior cerebral artery
D. Basilar artery
B. Middle cerebral artery
Middle cerebral artery (MCA)
Supplies Portion of the frontal lobe and
Lateral surface of the temporal and parietal lobes
This includes the primary motor and sensory areas of the face, throat, hand and arm, and in the dominant hemisphere, the areas for speech
The infarcted regions encompass the right parietal and temporal lobes, as well as portion of the right frontal lobe and the right lentiform nucleus that are supplied by the middle cerebral artery (MCA).
Q5: Classify the hematoma depicted according to location.
A. Epidural hemorrhage
B. Subdural hemorrhage
C. Subarachnoid hemorrhage
D. Intraparenchymal hemorrhage
A. Epidural hemorrhage
Q6: Localize the intraparenchymal hemorrhage.
A. Cerebral peduncle
B. Pons
C. Medulla
D. Cerebellar vermis
B. Pons
Q7: Localize the intraparenchymal hemorrhage.
A. Lentiform nucleus
B. Caudate nucleus
C. Thalamus
D. Fronto-parietal lobes
A. Lentiform nucleus
Q1: Identify the pointed structure
A. Caudate nucleus
B. Corpus callosum
C. Interhemispheric fissure
D. Lateral ventricle
B. Corpus callosum
Q2: What is the radiologic diagnosis?
A. Cerebrocerebellar atrophy
B. Hydrocephalus
C. Intraventricular arachnoid cyst
D. Normal MRI of the brain
B. Hydrocephalus
- The ventricular system is dilated with rounding of the frontal and temporal horns of the lateral ventricles, as well as the third ventricle.
Q3: What is the radiologic diagnosis?
A. Epidural hemorrhage
B. Subdural hemorrhage
C. Subarachnoid hemorrhage
D. Intraparenchymal hemorrhage
B. Subdural hemorrhage
Q4: What is the radiologic diagnosis?
A. Acute left MCA territorial infarct
B. Acute intraparenchymal hemorrhage
C. Chronic intraparenchymal hematoma
D. Vasogenic edema at the left cerebral hemisphere
A. Acute left MCA territorial infarct
Q5: What is the radiologic diagnosis?
A. Acute left cerebellar infarct
B. Acute left cerebellar parenchymal hemorrhage
C. Subacute left cerebellar infarct
D. Chronic left cerebellar hematoma
B. Acute left cerebellar parenchymal hemorrhage
Intracranial hemorrhage
- Which of the following statements is/are true?
* The spinal subarachnoid space extends down as far as the fifth sacral vertebra
* Epidural hemorrhage is blood collecting above the periosteal layer of the dura mater
* Epidural hemorrhage creates a lens shaped hyperdense collection of blood seen on CT scan
* Middle meningeal artery laceration is the most common cause of subarachnoid hemorrhage
* All the statements are true
- Epidural hemorrhage creates a lens shaped hyperdense collection of blood seen on CT scan
- The following may be used for evaluation of ruptured aneurysm except
* Vascular Doppler ultrasound
* CT angiography
* MR angiography
* Digital subtraction angiography
Vascular Doppler ultrasound
- A 50 year old male had a 3 week history of headache, vomiting and decreasing sensorium. Cranial CT showed the following. What is your diagnosis?
A. Subarachnoid hemorrhage
B. stroke/cerebrovascular disease
C. communicating hydrocephalus
D. obstructive hydrocephalus
C. communicating hydrocephalus
Which of the following is not a risk factor for rupture of intracranial aneurysm?
A. Alcohol abuse
B. Low cholesterol level
C. Estrogen deficiency
D. Carotid artery stenosis
E. Smoking
B. Low cholesterol level
- The caudate and putamen in this MRI is separated by the -
A. Anterior limb of the internal capsule
B. Genu of the internal capsule
C. Posterior limb of the internal capsule
D. The entire internal capsule
C. Posterior limb of the internal capsule
- Which branch of the anterior cerebral artery supplies the head of the caudate causing infarction in this area?
A. Recurrent artery of Heubner
B. Callosomarginal artery
C. Orbitofrontal artery
D. Frontopolar artery
C. Orbitofrontal artery
IDENTIFY.
INTERNAL CAROTID ARTERY
IDENTIFY.
Basilar Artery
IDENTIFY.
Anterior cerebral artery
A hypertensive patient had a sudden onset of “thunderclap headache” showing subarachnoid hemorrhage on a plain cranial CT study. Next best imaging modality should be:
a. Vascular sonography
b. CT angiogram
c. MR angiogram
d. Digital subtraction angiography
b. CT angiogram
- Diagnosis for a contrast-enhanced cranial CT showing enhancing abnormal entanglement of vessels:
a. Ruptured aneurysm
b. Hemorrhagic mass
c. Vascular malformation
d. Epidural hematoma
c. Vascular malformation
- The gold standard for neurovascular imaging
a. Digital subtraction angiography
b. CT angiogram
c. MR angiogram
d. Vascular sonography
a. Digital subtraction angiography
