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Vascular Territories 01

Topic: Imaging

Created on Tuesday, May 1 2007 by jdmiles

Last modified on Tuesday, May 1 2007.

The above is an MRI diffusion-weighted image of an acute infarct.

Which of the following vessels is the one most likely to be occluded in this patient?


 
        A) Posterior inferior cerebellar artery
 
        B) Posterior cerebral artery
 
        C) Basilar artery
 
        D) Middle cerebral artery
 
        E) Anterior inferior cerebellar artery
 

 


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This question was created on May 01, 2007 by jdmiles.
This question was last modified on May 01, 2007.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) posterior inferior cerebellar artery

This answer is incorrect.


The hyperintense area on this MRI shows diffusion restriction as a result of infarction in the territory supplied by the right posterior cerebral artery.
  (See References)

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B) posterior cerebral artery

This answer is correct.


The hyperintense area on this MRI shows diffusion restriction as a result of infarction in the territory supplied by the right posterior cerebral artery.  (See References)

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C) basilar artery

This answer is incorrect.


The hyperintense area on this MRI shows diffusion restriction as a result of infarction in the territory supplied by the right posterior cerebral artery.  Occlusion of the basilar artery would result in bilateral infarction.
  (See References)

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D) middle cerebral artery

This answer is incorrect.


The hyperintense area on this MRI shows diffusion restriction as a result of infarction in the territory supplied by the right posterior cerebral artery.
  (See References)

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E) anterior inferior cerebellar artery

This answer is incorrect.


The hyperintense area on this MRI shows diffusion restriction as a result of infarction in the territory supplied by the right posterior cerebral artery.
  (See References)

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References:

1. Moore, K.L. (1992). Clinical Oriented Anatomy, 3rd Edition. Williams & Wilkins, Baltimore.
2. Nolte, J. (1993). The Human Brain: An Introduction to Its Functional Anatomy. Mosby, St. Louis.
3. Duane E., Ph.D. Haines, . Neuroanatomy: An Atlas of Structures, Sections, and Systems. Lippincott Williams & Wilkins (ISBN:0781746779)
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imaging
Vascular Territories 01
Question ID: 050107208
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 05/01/2007
Modified: 05/01/2007
Estimated Permutations: 1800

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