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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) Whorled patterns of cells are commonly associated with medulloblastoma.
 
        B) Rosenthal Fibers are commonly associated with Alexander's disease.
 
        C) Pseudopallisading and necrosis are commonly associated with ependymoma.
 
        D) Flexner-Wintersteiner rosettes are commonly associated with pilocytic astrocytoma.
 
        E) Whorled patterns of cells are commonly associated with Alexander's disease.
 

 


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ANSWERS AND EXPLANATIONS




A) Whorled patterns of cells are commonly associated with medulloblastoma.

This answer is incorrect.


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

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

This answer is correct.


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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C) Pseudopallisading and necrosis are commonly associated with ependymoma.

This answer is incorrect.


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

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D) Flexner-Wintersteiner rosettes are commonly associated with pilocytic astrocytoma.

This answer is incorrect.


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

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E) Whorled patterns of cells are commonly associated with Alexander's disease.

This answer is incorrect.


The statement, "Whorled patterns of cells are commonly associated with Alexander's disease." is false.
Whorled patterns of cells are commonly associated with meningioma.  (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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