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Diffuse (Fibrillary) Astrocytomas 01

Topic: Adult

Created on Sunday, October 12 2008 by jdmiles

Last modified on Sunday, October 12 2008.

Which of the following statements about diffuse (fibrillary) astrocytomas is most accurate?

 
        A) They occur with approximately equal incidence in males and females
 
        B) Survival averages 2 to 3 years for patients with Grade II diffuse (fibrillary) astrocytomas
 
        C) They account for about 10% of primary intracranial neoplasms
 
        D) They account for about 60% of primary intracranial neoplasms
 
        E) Survival averages 5 to 10 years for patients with Grade II diffuse (fibrillary) astrocytomas
 

 


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This question was created on October 12, 2008 by jdmiles.
This question was last modified on October 12, 2008.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) They occur with approximately equal incidence in males and females

This answer is incorrect.


Diffuse (fibrillary) astrocytomas have a male:female ratio of about 3:2.   (See References)

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B) Survival averages 2 to 3 years for patients with Grade II diffuse (fibrillary) astrocytomas

This answer is incorrect.


Survival averages 5 to 10 years for patients with Grade II diffuse (fibrillary) astrocytomas   (See References)

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C) They account for about 10% of primary intracranial neoplasms

This answer is incorrect.


Diffuse (fibrillary) astrocytomas make up about 40% of primary intracranial tumors.   (See References)

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D) They account for about 60% of primary intracranial neoplasms

This answer is incorrect.


Diffuse (fibrillary) astrocytomas make up about 40% of primary intracranial tumors.   (See References)

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E) Survival averages 5 to 10 years for patients with Grade II diffuse (fibrillary) astrocytomas

This answer is correct.


Survival averages 5 to 10 years for patients with Grade II diffuse (fibrillary) astrocytomas   (See References)

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References:

1. Prayson, R.A., and Goldblum, J.R. (Eds.) (2005). Neuropathology. Elsevier Churchill Livingstone, Philadelphia. (ISBN:0443066582) Advertising:
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adult
Diffuse (Fibrillary) Astrocytomas 01
Question ID: 101208106
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 10/12/2008
Modified: 10/12/2008
Estimated Permutations: 50400

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