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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) Homer-Wright rosettes are commonly associated with medulloblastoma.
 
        B) B cells in an angiocentric pattern are commonly associated with primary CNS lymphoma.
 
        C) Whorled patterns of cells are commonly associated with ependymoma.
 
        D) Rosenthal Fibers are commonly associated with pilocytic astrocytoma.
 
        E) Homer-Wright rosettes are commonly associated with PNET tumors.
 

 


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ANSWERS AND EXPLANATIONS




A) Homer-Wright rosettes are commonly associated with medulloblastoma.

This answer is incorrect.


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

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B) B cells in an angiocentric pattern are commonly associated with primary CNS lymphoma.

This answer is incorrect.


The statement, "B cells in an angiocentric pattern are commonly associated with primary CNS lymphoma." is true.
B cells in an angiocentric pattern are commonly associated with primary CNS lymphoma.  (See References)

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C) Whorled patterns of cells are commonly associated with ependymoma.

This answer is correct.


The statement, "Whorled patterns of cells are commonly associated with ependymoma." is false.
Whorled patterns of cells are commonly associated with meningioma.  (See References)

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D) 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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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
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