PMC5019112_01
Initial Presentation. The patient had a distal and proximal choreoathetoid
movements of the left upper and lower limbs (upper more than lower) and
intermittent dyskinesia of the tongue and face along with infrequent proximal
ballistic swings involving the left arm.. Presentation 6 Months After Therapy Initiation: The movements of the patient
persisted even at 6 months after initiation of therapy.
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Computed tomography (CT) was performed to rule out vascular causes and showed hyperdensity of the putamen and head of the caudate nucleus, which was more pronounced on the right side (Figure 1).
Brain Computed Tomography. The scan revealed hyperdensity of the lentiform and
caudate nuclei that was more prominent on the right side.
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MRI revealed T1 hyperintensity of corresponding regions that enhanced mildly on contrast but were not bright on diffusion imaging and had no bloom on gradient echo (GRE) (Figure 2).