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.

 
        A) Ependymoma is one of the most common tumors found in the conus and filum terminale.
 
        B) Oligodendroglioma is one of the most common tumors found in the temporal lobes.
 
        C) Germ-cell tumor is one of the most common tumors found in the midline pineal region.
 
        D) Central neurocytoma is one of the most common tumors found in the temporal lobes.
 
        E) Optic nerve glioma is one of the most common tumors found in the midline sellar region.
 

 

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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) Ependymoma is one of the most common tumors found in the conus and filum terminale.

This answer is incorrect.

The statement, "Ependymoma is one of the most common tumors found in the conus and filum terminale." is true.
Ependymoma is one of the most common tumors found in the lateral ventricle, and is one of the most common tumors found in the conus and filum terminale.  (See References)

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B) Oligodendroglioma is one of the most common tumors found in the temporal lobes.

This answer is incorrect.

The statement, "Oligodendroglioma is one of the most common tumors found in the temporal lobes." is true.
Oligodendroglioma is one of the most common tumors found in the temporal lobes, and is one of the most common tumors found in the corpus callosum.  (See References)

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C) Germ-cell tumor is one of the most common tumors found in the midline pineal region.

This answer is incorrect.

The statement, "Germ-cell tumor is one of the most common tumors found in the midline pineal region." is true.
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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D) Central neurocytoma is one of the most common tumors found in the temporal lobes.

This answer is correct.

The statement, "Central neurocytoma is one of the most common tumors found in the temporal lobes." is false.
Central neurocytoma is one of the most common tumors found in the lateral ventricle.  (See References)

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E) Optic nerve glioma is one of the most common tumors found in the midline sellar region.

This answer is incorrect.

The statement, "Optic nerve glioma is one of the most common tumors found in the midline sellar region." is true.
Optic nerve glioma is one of the most common tumors found in the midline sellar region.  (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
Estimated Permutations: 0