Case 168 Answers

Basic Human Neuroanatomy

A Clinically Oriented Atlas

Case 168 Answers

1. Is there evidence of pyramidal system involvement in this case?

2. How would you classify this patient’s involuntary right-sided movements?

Hemiballismus

3. Indicate the specific structures involved by the pathologic process, including the side of involvement.

Left subthalamic nucleus.

4. In general, what type of pathologic process do you think is involved in this case?

Vascular – usually an ischemic infarct of the subthalamic nucleus. In this case, a small intracerebral hematoma (ICH) was the cause.

5. What diagnostic procedures(s) would you undertake at this point?

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