Did you know...
that you can leave comments on most of the pages on FrontalCortex? Look for the "User Comments" boxes at the bottom of the page.

Myelin 09

Topic: Pathology

Created on Sunday, February 15 2009 by gliageek

Last modified on Thursday, February 19 2009.


Courtesy of Dr. Mark Cohen
The best diagnosis for this lesion is?

 
        A) Wernicke-Korsakoff syndrome
 
        B) Central pontine myelinolysis
 
        C) Pontine ischemic encephalopathy
 
        D) Hypotensive brainstem necrosis
 
        E) Focal pontine leukoencephalopathy
 

 


Back to the question = Go back to the top of the page.
See another question like this one = Reload a different version of this question ().
Click here for a random question = Load a random question from the database.
Clone this question = Use this question as a template to create a totally NEW question.
Rate this question = Enter detailed rating for this question!
Average user rating for this question = 4.5 = How users like you have rated this question.
This question was created on February 15, 2009 by gliageek.
This question was last modified on February 19, 2009.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) Wernicke-Korsakoff syndrome

This answer is incorrect.


Congestive/hemorrhagic lesions surround 4th ventricle.  (See References)

Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this questionAverage user rating for this question = 4.5
Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 




B) Central pontine myelinolysis

This answer is correct.


CPM is a demyelinating/necrotizing lesion felt to result from osmotic stresses produced from over-rapid correction of hyponatremia   (See References)

Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this questionAverage user rating for this question = 4.5
Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 




C) Pontine ischemic encephalopathy

This answer is incorrect.


Patchy infarcts involving basis pontis. Not confluent.   (See References)

Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this questionAverage user rating for this question = 4.5
Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 




D) Hypotensive brainstem necrosis

This answer is incorrect.


Affects pontine tegmentum, with sparing of basis pontis.  (See References)

Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this questionAverage user rating for this question = 4.5
Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 




E) Focal pontine leukoencephalopathy

This answer is incorrect.


Now recognized to be part of disseminating or multifocal leukoencephalopathy, FPL comprises focal lesions in the pontine tegmentum composed of swollen, often calcified axons, and myelin loss.   (See References)

Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this questionAverage user rating for this question = 4.5
Please log in if you want to rate questions.

 

 

 

 

References:

1. Love, S., Louis, D.N., and Ellison, D.W. (2008). Greenfield's Neuropathology, 8th Edition. Oxford University Press, USA (ISBN:0340906820) Advertising:
Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this questionAverage user rating for this question = 4.5
Please log in if you want to rate questions.

 

FrontalCortex.com -- Neurology Review Questions -- Neurology Boards -- Board Review -- Residency Inservice Training Exam -- RITE Exam Review
pathology
Myelin 09
Question ID: 021509118
Question written by gliageek. (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 02/15/2009
Modified: 02/19/2009
Estimated Permutations: 120

User Comments About This Question:

0 user entries
Please log in if you'd like to add a comment.