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Flashcards in NBR 2 - Neuroradiology Deck (70)
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1

1. Which of the following is a risk factor for clinically evident neurologic complications in the first 24 hours after cerebral angiography?
I. age over 70 years
II. duration of angiogram over 90 minutes
III. history of transient ischemic attack (TIA) or stroke
IV. history of systemic hypertension
A. I, II, III
B. I, III
C. II, IV
D. IV
E. all of the above

Jawab (E)

Morris p. 63. Other risk factors include patients with more than 50 to 70% stenosis of the cerebral vessels, patients whose angiograms require a higher volume of contrast, and patients referred for subarachnoid hemorrhage or who are immediately postoperative.

2

2 The most common non neurologic complication of cerebral angiography via femoral artery approach is
A. angina
B. allergic reaction
C. hematoma
D. myocardial infarction (MI)
E. pseudoaneurysm

Jawab (B)

Morris p. 72: Significant hematoma formation occurs at a rate of approximately 6.9 to 10.7%. Angina, allergic reaction. and myocardial infarction (MI) all occur with an incidence of less than 1 to 2%. Pseudoaneurysms are rare. occurring 0.05 to 0.55% of the time.

3

3. Branches of the meningohypophysial trunk include the
I. tentorial artery
II. inferior hypophysial artery
III. dorsal meningeal artery
IV. superior hypophysial artery
A. I, II, III
B. I, III
C. II, IV
D. IV
E. all of the above

Jawab (A)

Osb p. 87. The meningohypophysial trunk, the largest and most proximal branch of the cavernous carotid artery, typically has three branches: the tentorial artery (of Bernasconi and Cassanari), the dorsal meningeal artery, and the inferior hypophysial artery (the inferolateral trunk). The superior hypophysial artery is a branch of the supraclinoid carotid artery.

4

4.  the most commons of the persistent anastomoses
A. cervical intersegmental artery
B. proatlantal intersegmental artery
C. primitive hypoglossal artery
D. primitive otic artery
E. primitive trigeminal artery

Jawab (E)

see Apuzzo pp. 749-754.

5

5. petrous internal carotid artery to the basilar artery

A. cervical intersegmental artery
B. proatlantal intersegmental artery
C. primitive hypoglossal artery
D. primitive otic artery
E. primitive trigeminal artery

Jawab (A)

see Apuzzo pp. 749-754

6

6. proximal cavernous internal carotid artery to basilar artery

A. cervical intersegmental artery
B. proatlantal intersegmental artery
C. primitive hypoglossal artery
D. primitive otic artery
E. primitive trigeminal artery

Jawab (A)

see Apuzzo pp. 749-754

7

7. The precentral cerebellar vein usually drains into the
A. internal cerebral vein
B. lateral mesencephalic vein
C. posterior mesencephalic vein
D. straight sinus
E. vein of Galen

Jawab (E)

Osb p. 233. The precentral cerebellar vein is a midline vessel that courses medially over the brachium pontis, parallels the roof of the fourth ventricle, and curves upward behind the inferior colliculus and precentral lobule of the vermis to drain into the vein of Calen.

8

8.  Anterior temporal lobe masses characteristically displace the
A. anterior choroidal artery laterally
B. anterior choroidal artery medially
C. anterior choroidal artery upward
D. posterior choroidal artery downward
E. posterior choroidal artery upward

Jawab (B)

Osb p. 318.

9

9. Match the blood products of oxyhemoglobin (0-24 hours) with their appearance on magnetic resonance imaging (MRI)

A. isointense on T1, isointense to hyperintense on T2
B. hyperintense on T1 and T2
C. hypo intense on T1 and T2
D. isointense on T1, hypointense on T2
E. hyperintense on T1, hypointense on T2
F. hypo intense on T1, hyperintense on T2

Jawab (A)

see ACR Trauma case 811

10

10. Match the blood products of deoxyhemoglobin (1-3 days) with their appearance on magnetic resonance imaging (MRI)

A. isointense on T1, isointense to hyperintense on T2
B. hyperintense on T1 and T2
C. hypo intense on T1 and T2
D. isointense on T1, hypointense on T2
E. hyperintense on T1, hypointense on T2
F. hypo intense on T1, hyperintense on T2

Jawab (D)

see ACR Trauma case 811

11

11. Match the blood products of intracellular methemoglobin (3-14 days) with their appearance on magnetic resonance imaging (MRI)


A. isointense on T1, isointense to hyperintense on T2
B. hyperintense on  T1 and T2
C. hypo intense on T1 and T2
D. isointense on T1, hypointense on T2
E. hyperintense on T1, hypointense on T2
F. hypo intense on T1, hyperintense on T2

Jawab (E)

see ACR Trauma case 811

12

12. match the blood products of extracellular methemoglobin (>2 weeks) with their appearance on magnetic resonance imaging (MRI)


A. isointense on T1, isointense to hyperintense on T2
B. hyperintense on T1 and T2
C. hypo intense on T1 and T2
D. isointense on T1, hypointense on T2
E. hyperintense on T1, hypointense on T2
F. hypo intense on T1, hyperintense on T2

Jawab (B)

see ACR Trauma case 811.

13

13. Match the blood products of nonparamagnetic heme pigments with their appearance on magnetic resonance imaging (MRI)


A. isointense on T1, isointense to hyperintense on T2
B. hyperintense on T1 and T2
C. hypo intense on T1 and T2
D. isointense on T1, hypointense on T2
E. hyperintense on T1, hypointense on T2
F. hypo intense on T1, hyperintense on T2

Jawab (F)

see ACR Trauma case 811.

14

14. Match the blood products of hemosiderin around periphery with their appearance on magnetic resonance imaging (MRI)


A. isointense on T1, isointense to hyperintense on T2
B. hyperintense on T1 and T2
C. hypo intense on T1 and T2
D. isointense on T1, hypointense on T2
E. hyperintense on T1, hypointense on T2
F. hypo intense on T1, hyperintense on T2

Jawab (C)

see ACR Trauma case 811.

15

15. Match the branch of the internal carotid artery with the statement that best  for potential supply to vascular tumors of the middle ear
A. caroticotympanic artery
B. inferior hypophysial trunk
C. inferolateral trunk
D. mandibulovidian artery
E. McConnell's capsular vessels
F. tentorial artery

Jawab (A)

see Morris pp. 117-130

16

16. Match the branch of the internal carotid artery with the statement that best for vestigial hyoid artery
A. caroticotympanic artery
B. inferior hypophysial trunk
C. inferolateral trunk
D. mandibulovidian artery
E. McConnell's capsular vessels
F. tentorial artery

Jawab (A)

see Morris pp. 117-130

 

17

17. Match the branch of the internal carotid artery with the statement that best for common supply to juvenile angiofibromas.
A. caroticotympanic artery
B. inferior hypophysial trunk
C. inferolateral trunk
D. mandibulovidian artery
E. McConnell's capsular vessels
F. tentorial artery

Jawab (D)

see Morris pp. 117-130

18

18. Match the branch of the internal carotid artery with the statement that also called the artery of Bernasconi and Cassanari
A. caroticotympanic artery
B. inferior hypophysial trunk
C. inferolateral trunk
D. mandibulovidian artery
E. McConnell's capsular vessels
F. tentorial artery

Jawab (F)

see Morris pp. 117-130

19

19. Together with the inferior hypophysial artery, these vessels supply the pituitary gland.

A. caroticotympanic artery
B. inferior hypophysial trunk
C. inferolateral trunk
D. mandibulovidian artery
E. McConnell's capsular vessels
F. tentorial artery

Jawab (E)

see Morris pp. 117-130

20

20. Together with the caroticotympanic artery, it is a branch of the petrous internal carotid artery

A. caroticotympanic artery
B. inferior hypophysial trunk
C. inferolateral trunk
D. mandibulovidian artery
E. McConnell's capsular vessels
F. tentorial artery

Jawab (D)

see Morris pp. 117-130

21

21. The branch of the internal carotid artery that make anastomoses with the superior hypophysial artery

A. caroticotympanic artery
B. inferior hypophysial trunk
C. inferolateral trunk
D. mandibulovidian artery
E. McConnell's capsular vessels
F. tentorial artery

Jawab (B)

see Morris pp. 117-130

22

22.  The branch of the internal carotid artery with the statement that is remnant of the embryonic dorsal ophthalmic artery
A. caroticotympanic artery
B. inferior hypophysial trunk
C. inferolateral trunk
D. mandibulovidian artery
E. McConnell's capsular vessels
F. tentorial artery

Jawab (C)

see Morris pp. 117-130

23

23. The branch of the internal carotid artery with the statement that provides important branches to some of the cranial nerves.


A. caroticotympanic artery
B. inferior hypophysial trunk
C. inferolateral trunk
D. mandibulovidian artery
E. McConnell's capsular vessels
F. tentorial artery

Jawab (C)

see Morris pp. 117-130

24

24. The correct order of the named segments of the anterior choroidal artery is
A. cisternal segment, plexal point, plexal segment
B. cisternal segment, plexal segment, plexal point
C. plexal point, cisternal segment, plexal segment
D. plexal point, plexal segment, cisternal segment
E. plexal segment, plexal point, cisternal segment

Jawab (A)

Osb pp. 100-101. The anterior choroidal artery (AChA) is best seen on the anteroposterior angiogram arising from the medial internal carotid artery. The cisternal AChA  curves medially and posteriorly around the uncus. An abrupt "kink is seen at the plexal point where the AChA enters the choroidal fissure. The plexal AChA then courses through the temporal horn.

 

25

25.  In the most common anatomic variation, the named branches of the proximal right subclavian artery from proximal to distal are

A. internal mammary artery, thyrocervical trunk, vertebral artery, costocervical trunk

B. internal mammary artery, vertebral artery, thyrocervical trunk, costocervical trunk

C. vertebral artery, internal mammary artery, costocervical trunk, thyrocervical trunk

D. vertebral artery, internal mammary artery, thyrocervical trunk, costocervical trunk

E. vertebral artery, thyrocervical trunk, internal mammary artery, costocervical trunk

Jawab (D)

Morris p. 101. Although this is the most common variation, others include the inferior thyroid artery sharing a common trunk with the vertebral artery, the vertebral artery from the thyrocervical trunk, the vertebral artery from the proximal common carotid artery, and the vertebral artery from the subclavian artery distal to the thyrocervical trunk.

26

26. The most common site of origin of the recurrent artery of Heubner is the
A. A 1 segment.
B. A2 segment
C. internal carotid artery
D. Ml segment
E. M2 segment

Jawab (B)

Osb p. 120. The recurrent artery of Heubner (one of the medial striate arteries) takes origin from the A2 segment 34 to 50% of the time, from the A1 segment 17 to 45% of the time, and from the anterior communicating artery 5 to 20% of the time.

27

27. Intracranial hypotension related to leakage or removal of cerebrospinal fluid (CSF) is most closely associated with which magnetic resonance finding?
A. diffuse dural enhancement
B. ependymal enhancement
C. pneumocephalus
D. slitlike ventricles
E. ventriculomegaly

Jawab (A)

Yock p. 333. This enhancement is thought to represent an increase in blood volume in the dura. Inferior displacement of the structures in the posterior fossa may accompany this finding in such cases of intracranial hypotension.

28

28. Which of the following imaging characteristics is least likely for pleomorphic xanthoastrocytoma?
A. calcification
B. cyst formation
C. multiple lesions
D. superficial location
E. temporal lobe location

Jawab (C)

Yock p. 72. This variant of astrocytoma usually presents as a large single mass in a young patient with a long history of seizures. The other options listed are typical.

29

29. Choroid plexus papillomas in children are most common in the
A. fourth ventricle
B. left lateral ventricle
C. right lateral ventricle
D. third ventricle

Jawab (B)

Yock p. 204. This propensity to lateralize has not been explained. These large bulky tumors usually arise in the trigone.

30

30. Choroid plexus papillomas in adults occur most commonly in the
A. fourth ventricle
B. left lateral ventricle
C. right lateral ventricle
D. third ventricle

Jawab (A)

Yock pp. 204-205. These tumors in the adult population are often found at the caudal aspect of the fourth ventricle and frequently calcify.