Vascular Malformations 01

Topic: Behavior

Created on Friday, February 23 2007 by

Last modified on Friday, February 23 2007.

 
        A) Arteriovenous malformations have an initial presentation of focal epilepsy in 1/3 of cases.
 
        B) Venous angiomas is a mass of thick-walled blood vessels of varying caliber.
 
        C) Cavernous angiomas are dilated veins of the superficial or subcortical vasculature.
 
        D) Arteriovenous malformations are dilated veins of the superficial or subcortical vasculature.
 
        E) Venous angiomas are dilated veins of the superficial or subcortical vasculature.
 

 

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This question was created on February 23, 2007 by .
This question was last modified on February 23, 2007.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) arteriovenous malformations have an initial presentation of focal epilepsy in 1/3 of cases.

This answer is incorrect.

The statement, "arteriovenous malformations have an initial presentation of focal epilepsy in 1/3 of cases." is false.
arteriovenous malformations are associated with a 2/3 risk of clinically significant hemorrhage, are associated with a 2%-4% annual risk of acute hemorrhage, account for 1.5%-4% of all brain masses, have an initial presentation of cerebral hemorrhage in 50% of cases, and is a mass of thick-walled blood vessels of varying caliber.  (See References)

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B) venous angiomas is a mass of thick-walled blood vessels of varying caliber.

This answer is incorrect.

The statement, "venous angiomas is a mass of thick-walled blood vessels of varying caliber." is false.
venous angiomas rarely become symptomatic, are similar to varicose veins, and are dilated veins of the superficial or subcortical vasculature.  (See References)

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C) cavernous angiomas are dilated veins of the superficial or subcortical vasculature.

This answer is incorrect.

The statement, "cavernous angiomas are dilated veins of the superficial or subcortical vasculature." is false.
cavernous angiomas have an initial presentation of focal epilepsy in 1/3 of cases, are abnormal collections of thin-walled vessels without intervening brain tissue, and are associated with a 1% annual risk of acute hemorrhage.  (See References)

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D) arteriovenous malformations are dilated veins of the superficial or subcortical vasculature.

This answer is incorrect.

The statement, "arteriovenous malformations are dilated veins of the superficial or subcortical vasculature." is false.
arteriovenous malformations are associated with a 2/3 risk of clinically significant hemorrhage, are associated with a 2%-4% annual risk of acute hemorrhage, account for 1.5%-4% of all brain masses, have an initial presentation of cerebral hemorrhage in 50% of cases, and is a mass of thick-walled blood vessels of varying caliber.  (See References)

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E) venous angiomas are dilated veins of the superficial or subcortical vasculature.

This answer is correct.

The statement, "venous angiomas are dilated veins of the superficial or subcortical vasculature." is true.
venous angiomas rarely become symptomatic, are similar to varicose veins, and are dilated veins of the superficial or subcortical vasculature.  (See References)

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References:

1. Prayson, R.A., and Goldblum, J.R. (Eds.) (2005). Neuropathology. Elsevier, Philadelphia.

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Vascular Malformations 01
Question ID: 02230701
Question written by . (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 02/23/2007
Modified: 02/23/2007
Estimated Permutations: 0