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CNS tumor pathology

Topic: Imaging

Created on Saturday, September 2 2006 by

Last modified on Saturday, September 2 2006.

Which of the following is most accurate regarding CNS tumor pathology?

 
        A) Perivascular pseudorosettes are commonly associated with medulloblastoma.
 
        B) Flexner-Wintersteiner rosettes are commonly associated with meningioma.
 
        C) Pseudopallisading and necrosis are commonly associated with glioblastoma multiforme.
 
        D) Homer-Wright rosettes are commonly associated with glioblastoma multiforme.
 
        E) Homer-Wright rosettes are commonly associated with oligodendroglioma.
 

 


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This question was created on September 02, 2006 by .
This question was last modified on September 02, 2006.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) Perivascular pseudorosettes are commonly associated with medulloblastoma.

This answer is incorrect.


The statement, "Perivascular pseudorosettes are commonly associated with medulloblastoma." is false.
Perivascular pseudorosettes are commonly associated with ependymoma.  (See References)

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B) Flexner-Wintersteiner rosettes are commonly associated with meningioma.

This answer is incorrect.


The statement, "Flexner-Wintersteiner rosettes are commonly associated with meningioma." is false.
Flexner-Wintersteiner rosettes are commonly associated with retinoblastoma.  (See References)

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C) Pseudopallisading and necrosis are commonly associated with glioblastoma multiforme.

This answer is correct.


The statement, "Pseudopallisading and necrosis are commonly associated with glioblastoma multiforme." is true.
Pseudopallisading and necrosis are commonly associated with glioblastoma multiforme.  (See References)

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D) Homer-Wright rosettes are commonly associated with glioblastoma multiforme.

This answer is incorrect.


The statement, "Homer-Wright rosettes are commonly associated with glioblastoma multiforme." is false.
Homer-Wright rosettes are commonly associated with medulloblastoma, and are commonly associated with PNET tumors.  (See References)

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E) Homer-Wright rosettes are commonly associated with oligodendroglioma.

This answer is incorrect.


The statement, "Homer-Wright rosettes are commonly associated with oligodendroglioma." is false.
Homer-Wright rosettes are commonly associated with medulloblastoma, and are commonly associated with PNET tumors.  (See References)

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References:

1. Geyers, J.D., Keating, J.M., and Potts, D.C. (2002). Neurology for the Boards, 2nd Edition. Lippincott Williams & Wilkins, Philadelphia.
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imaging
CNS tumor pathology
Question ID: 623249000
Question written by . (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 09/02/2006
Modified: 09/02/2006
Estimated Permutations: 0

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