Vascular Malformations 01

Topic: Behavior

Created on Friday, February 23 2007 by

Last modified on Friday, February 23 2007.

 
        A) Capillary telangiectases rarely become symptomatic.
 
        B) Venous angiomas are dilated veins of the superficial or subcortical vasculature.
 
        C) Capillary telangiectases consist of dilated capillaries separated by normal brain tissue.
 
        D) Arteriovenous malformations rarely become symptomatic.
 
        E) Capillary telangiectases are usually incidental findings.
 

 

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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) capillary telangiectases rarely become symptomatic.

This answer is incorrect.

The statement, "capillary telangiectases rarely become symptomatic." is true.
capillary telangiectases rarely become symptomatic, consist of dilated capillaries separated by normal brain tissue, and are usually incidental findings.  (See References)

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

This answer is incorrect.

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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C) capillary telangiectases consist of dilated capillaries separated by normal brain tissue.

This answer is incorrect.

The statement, "capillary telangiectases consist of dilated capillaries separated by normal brain tissue." is true.
capillary telangiectases rarely become symptomatic, consist of dilated capillaries separated by normal brain tissue, and are usually incidental findings.  (See References)

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D) arteriovenous malformations rarely become symptomatic.

This answer is correct.

The statement, "arteriovenous malformations rarely become symptomatic." 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) capillary telangiectases are usually incidental findings.

This answer is incorrect.

The statement, "capillary telangiectases are usually incidental findings." is true.
capillary telangiectases rarely become symptomatic, consist of dilated capillaries separated by normal brain tissue, and are usually incidental findings.  (See References)

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References:

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

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behavior
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
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