Vascular Malformations 04

Topic: Pathology

Created on Wednesday, November 28 2007 by jdmiles

Last modified on Wednesday, November 28 2007.

 
        A) Lesions of this type are dilated veins of the superficial or subcortical vasculature
 
        B) This type of lesion is associated with a 2/3 risk of clinically significant hemorrhage
 
        C) This is a venous angioma
 
        D) This type of lesion accounts for 1.5%-4% of all brain masses
 
        E) This type of lesion consists of dilated capillaries separated by normal brain tissue
 

 

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This question was created on November 28, 2007 by jdmiles.
This question was last modified on November 28, 2007.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) lesions of this type are dilated veins of the superficial or subcortical vasculature

This answer is incorrect.

The photomicrograph shows a capillary telangiectasia. Capillary telangiectases are dilated capillaries, separated by normal brain tissue. They are usually incidental findings, and rarely become symptomatic. They have an estimated prevalence of 4 per 1000, comprising 16% to 20% of all brain vascular malformations.  (See References)

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B) this type of lesion is associated with a 2/3 risk of clinically significant hemorrhage

This answer is incorrect.

The photomicrograph shows a capillary telangiectasia. Capillary telangiectases are dilated capillaries, separated by normal brain tissue. They are usually incidental findings, and rarely become symptomatic. They have an estimated prevalence of 4 per 1000, comprising 16% to 20% of all brain vascular malformations.  (See References)

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C) this is a venous angioma

This answer is incorrect.

The photomicrograph shows a capillary telangiectasia. Capillary telangiectases are dilated capillaries, separated by normal brain tissue. They are usually incidental findings, and rarely become symptomatic. They have an estimated prevalence of 4 per 1000, comprising 16% to 20% of all brain vascular malformations.  (See References)

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D) this type of lesion accounts for 1.5%-4% of all brain masses

This answer is incorrect.

The photomicrograph shows a capillary telangiectasia. Capillary telangiectases are dilated capillaries, separated by normal brain tissue. They are usually incidental findings, and rarely become symptomatic. They have an estimated prevalence of 4 per 1000, comprising 16% to 20% of all brain vascular malformations.  (See References)

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E) this type of lesion consists of dilated capillaries separated by normal brain tissue

This answer is correct.

The photomicrograph shows a capillary telangiectasia. Capillary telangiectases are dilated capillaries, separated by normal brain tissue. They are usually incidental findings, and rarely become symptomatic. They have an estimated prevalence of 4 per 1000, comprising 16% to 20% of all brain vascular malformations.  (See References)

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References:

1. Prayson, R.A., and Goldblum, J.R. (Eds.) (2005). Neuropathology. Elsevier Churchill Livingstone, Philadelphia. (ISBN:0443066582)

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pathology
Vascular Malformations 04
Question ID: 11280703
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 11/28/2007
Modified: 11/28/2007
Estimated Permutations: 237600