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Infections 04

Topic: Pathology

Created on Friday, February 13 2009 by gliageek

Last modified on Friday, February 13 2009.


Courtesy of Dr. Mark Cohen
The most likely etiology for these lesions in this AIDS patient?

 
        A) Cryptococcus
 
        B) Toxoplasmosis
 
        C) Cytomegalovirus
 
        D) Nocardia
 
        E) Primary CNS lymphoma
 

 


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This question was created on February 13, 2009 by gliageek.
This question was last modified on February 13, 2009.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) Cryptococcus

This answer is incorrect.


This is the most common cause of MENINGITIS in AIDS patients  (See References)

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B) Toxoplasmosis

This answer is correct.


This is the most common cause of mass lesions in AIDS patients  (See References)

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C) Cytomegalovirus

This answer is incorrect.


Causes necrotizing ependymitis in AIDS  (See References)

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D) Nocardia

This answer is incorrect.


Causes abscesses in AIDS patients, resulting in liquifactive necrosis  (See References)

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E) Primary CNS lymphoma

This answer is incorrect.


Second most common cause of mass lesions in AIDS. Tends to be periventricular in location  (See References)

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References:

1. Graham, D.I., and Lantos, P.L. (2002). Greenfield's Neuropathology, 7th ed. Arnold Press, New York. (ISBN:0340742313)Advertising:
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pathology
Infections 04
Question ID: 021309185
Question written by gliageek. (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 02/13/2009
Modified: 02/13/2009
Estimated Permutations: 120

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