Cedrick
Forum Fanatic
Topics: 320
Posts: 1,932
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78 year old woman has a 2 month history of flailing movements of the limbs on one side
there is no family history of similar movements disorder
which of the following atructures is most likely to be involved ?
a.-Cerebellar hemisphere
b.-cigulate cortex
c.-primary motor cortex
d.-striatum
e.-substantia nigra
f.-subthalamic nucleus
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| Leopard
Forum Guru
Topics: 30
Posts: 401
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Subthalamic Nucleus
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| Cedrick
Forum Fanatic
Topics: 320
Posts: 1,932
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Correct care to add anything else
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| docarchana
Forum Guru
Topics: 70
Posts: 515
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hemiballismus.
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| klimt
Forum Guru
Topics: 27
Posts: 605
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Hemiballismus - lesion in the contralateral subthalamic nucleus. Due to loss of inhibition of thalamus by globus pallidus. It's a lesion of the indirect (inhibitory) D2 dopaminergic pathway.
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