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the frequency of tumors in different parts of the CNS

Topic: Behavior

Created on Saturday, September 2 2006 by

Last modified on Saturday, September 2 2006.

Which of the following is most accurate regarding the frequency of tumors in different parts of the CNS?

 
        A) Germ-cell tumor is one of the most common tumors found in the temporal lobes.
 
        B) Subependymoma is one of the most common tumors found in the midline sellar region.
 
        C) Pineocytoma is one of the most common tumors found in the corpus callosum.
 
        D) Hypothalamic glioma/hamartoma is one of the most common tumors found in the conus and filum terminale.
 
        E) Pleomorphic xanthoastrocytoma is one of the most common tumors found in the temporal lobes.
 

 


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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




A) Germ-cell tumor is one of the most common tumors found in the temporal lobes.

This answer is incorrect.


The statement, "Germ-cell tumor is one of the most common tumors found in the temporal lobes." is false.
Germ-cell tumor is one of the most common tumors found in the midline sellar region, and is one of the most common tumors found in the midline pineal region.  (See References)

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B) Subependymoma is one of the most common tumors found in the midline sellar region.

This answer is incorrect.


The statement, "Subependymoma is one of the most common tumors found in the midline sellar region." is false.
Subependymoma is one of the most common tumors found in the lateral ventricle.  (See References)

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C) Pineocytoma is one of the most common tumors found in the corpus callosum.

This answer is incorrect.


The statement, "Pineocytoma is one of the most common tumors found in the corpus callosum." is false.
Pineocytoma is one of the most common tumors found in the midline pineal region.  (See References)

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D) Hypothalamic glioma/hamartoma is one of the most common tumors found in the conus and filum terminale.

This answer is incorrect.


The statement, "Hypothalamic glioma/hamartoma is one of the most common tumors found in the conus and filum terminale." is false.
Hypothalamic glioma/hamartoma is one of the most common tumors found in the midline sellar region.  (See References)

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E) Pleomorphic xanthoastrocytoma is one of the most common tumors found in the temporal lobes.

This answer is correct.


The statement, "Pleomorphic xanthoastrocytoma is one of the most common tumors found in the temporal lobes." is true.
Pleomorphic xanthoastrocytoma is one of the most common tumors found in the temporal lobes.  (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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behavior
the frequency of tumors in different parts of the CNS
Question ID: 54322946
Question written by . (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 09/02/2006
Modified: 09/02/2006
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