58 year-old status post pontine hemorrhage

John R. Gaughen, Jr., M.D.

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Abstract:  58 year-old treated seven months ago for a pontine hemorrhage caused by an arteriovenous malformation now presents with a new neurologic abnormality. The first two images were obtained at the time of initial bleed (7 months ago). The last two images are from the current study evaluating the new neurologic abnormality.
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Question Text 

Which of the following is FALSE regarding the abnormality in the
medulla on the follow-up study?
 

Answers
 Answer: It represents a form of transsynaptic degeneration. 
Correct Answer? 
No
Answers
 Answer: It is most commonly associated with a lesion in the Guillain-Molleret triangle. 
Correct Answer? 
No
Answers
 Answer: It has an established association with palatal tremor. 
Correct Answer? 
No
Answers
 Answer: Unilateral lesions may follow damage to the ipsilateral dentate nucleus. 
Correct Answer? 
Yes
Answers
 Answer: None of the above. 
Correct Answer? 
No
 
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