50 hemiballismus
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is this DRPLA?
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I'm just learning neuroanatomy, but these videos are very informative about what happens when something in that or that nucleus goes wrong :)
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my friend too :(, may i know the negative effect of hemiballismus to a pregnant woman. is that danger for the baby ?
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@dska22 What you wrote is my understanding as well...unless humtoharhou was thinking of a more subtle lesion of the striatum, like the loss of medium spiny neurons that you see in Huntington's disease. But, yeah, total loss of the striatum (like a stroke) would give you parkinson type symptoms, not hemiballismus or chorea.
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Thank you for posting this. It is a very sad condition, indeed, but your post has made it so that I will never forget what it looks like to have hemiballismus.
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@humtoharhou STN. Wouldn't a lesion in the striatum (putamen + caudate) also inactivate the direct pathway, leading to decreased movement (countering the increased input to the thalamus from the indirect pathway, post-STN lesion)? I thought it was just STN in hemiballismus.
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lesions in STN or putamen..
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Contralateral subthalamic nucleus
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Thank you to the person who posted this. Thank you to the patient for having the courage and generosity to educate us.
metazoic 9 months ago 5
Caudate, putamen, globus pallidus, or subthalamic nucleus - usually asymptomatic but may cause hemiballismus. This is called the basal ganglia lacune. possible vessels involved during stroke that causes this syndrome: lenticulostriate (from MCA), anterior choroidal (from ICA), thalamoperforator (from PCA) or Heubner's arteries (from ACA).
littleblueopal 1 year ago 2