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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 statements regarding CNS tumor pathology is FALSE?

 
        A) Rosenthal Fibers are commonly associated with pilocytic astrocytoma.
 
        B) Homer-Wright rosettes are commonly associated with meningioma.
 
        C) Psammoma bodies are commonly associated with meningioma.
 
        D) Rosenthal Fibers are commonly associated with Alexander's disease.
 
        E) Homer-Wright rosettes are commonly associated with PNET tumors.
 

 


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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) Rosenthal Fibers are commonly associated with pilocytic astrocytoma.

This answer is incorrect.


The statement, "Rosenthal Fibers are commonly associated with pilocytic astrocytoma." is true.
Rosenthal Fibers are commonly associated with pilocytic astrocytoma, and are commonly associated with Alexander's disease.  (See References)

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B) Homer-Wright rosettes are commonly associated with meningioma.

This answer is correct.


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

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C) Psammoma bodies are commonly associated with meningioma.

This answer is incorrect.


The statement, "Psammoma bodies are commonly associated with meningioma." is true.
Psammoma bodies are commonly associated with meningioma.  (See References)

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D) Rosenthal Fibers are commonly associated with Alexander's disease.

This answer is incorrect.


The statement, "Rosenthal Fibers are commonly associated with Alexander's disease." is true.
Rosenthal Fibers are commonly associated with pilocytic astrocytoma, and are commonly associated with Alexander's disease.  (See References)

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E) Homer-Wright rosettes are commonly associated with PNET tumors.

This answer is incorrect.


The statement, "Homer-Wright rosettes are commonly associated with PNET tumors." is true.
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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