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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 Alexander's disease.
 
        B) Antoni A & B tissues are commonly associated with schwanoma.
 
        C) Pseudopallisading and necrosis are commonly associated with glioblastoma multiforme.
 
        D) Homer-Wright rosettes are commonly associated with retinoblastoma.
 
        E) B cells in an angiocentric pattern are commonly associated with primary CNS lymphoma.
 

 


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ANSWERS AND EXPLANATIONS




A) 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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B) Antoni A & B tissues are commonly associated with schwanoma.

This answer is incorrect.


The statement, "Antoni A & B tissues are commonly associated with schwanoma." is true.
Antoni A & B tissues are commonly associated with schwanoma.  (See References)

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

This answer is incorrect.


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 retinoblastoma.

This answer is correct.


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

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E) 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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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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