CNS tumor pathology

Topic: Imaging

Created on Saturday, September 2 2006 by

Last modified on Saturday, September 2 2006.

 
        A) Fried-Egg cells are commonly associated with glioblastoma multiforme.
 
        B) Perivascular pseudorosettes are commonly associated with ependymoma.
 
        C) Homer-Wright rosettes are commonly associated with pilocytic astrocytoma.
 
        D) Flexner-Wintersteiner rosettes are commonly associated with pilocytic astrocytoma.
 
        E) Psammoma bodies are commonly associated with medulloblastoma.
 

 

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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) Fried-Egg cells are commonly associated with glioblastoma multiforme.

This answer is incorrect.

The statement, "Fried-Egg cells are commonly associated with glioblastoma multiforme." is false.
Fried-Egg cells are commonly associated with oligodendroglioma.  (See References)

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B) Perivascular pseudorosettes are commonly associated with ependymoma.

This answer is correct.

The statement, "Perivascular pseudorosettes are commonly associated with ependymoma." is true.
Perivascular pseudorosettes are commonly associated with ependymoma.  (See References)

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C) Homer-Wright rosettes are commonly associated with pilocytic astrocytoma.

This answer is incorrect.

The statement, "Homer-Wright rosettes are commonly associated with pilocytic astrocytoma." is false.
Homer-Wright rosettes are commonly associated with medulloblastoma, and are commonly associated with PNET tumors.  (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) Psammoma bodies are commonly associated with medulloblastoma.

This answer is incorrect.

The statement, "Psammoma bodies are commonly associated with medulloblastoma." is false.
Psammoma bodies 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