Huntington's Disease

Complaint: Dementia

The images above are axial Head CT scans.
The above one exhibits bilateral caudate head atrophy (red arrowheads),
as seen by a decrease in the medial convexities, & lateral ventricle dilatation.
Generalized atrophy evident as diffusely widened sulci is also apparent in the image on the left.
The below image is an age-matched control.