CNS tumor pathology

Topic: Imaging

Created on Saturday, September 2 2006 by

Last modified on Saturday, September 2 2006.

 
        A) Pseudopallisading and necrosis are commonly associated with pilocytic astrocytoma.
 
        B) B cells in an angiocentric pattern are commonly associated with medulloblastoma.
 
        C) Flexner-Wintersteiner rosettes are commonly associated with glioblastoma multiforme.
 
        D) Homer-Wright rosettes are commonly associated with PNET tumors.
 
        E) Verocay bodies 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

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A) Pseudopallisading and necrosis are commonly associated with pilocytic astrocytoma.

This answer is incorrect.

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

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B) B cells in an angiocentric pattern are commonly associated with medulloblastoma.

This answer is incorrect.

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

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C) Flexner-Wintersteiner rosettes are commonly associated with glioblastoma multiforme.

This answer is incorrect.

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

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

This answer is correct.

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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E) Verocay bodies are commonly associated with oligodendroglioma.

This answer is incorrect.

The statement, "Verocay bodies are commonly associated with oligodendroglioma." is false.
Verocay bodies are commonly associated with schwanoma.  (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