Figure 1
Ancillary Examinations in the Patient.
(A) From left to right, top to bottom: axial T2-weighted magnetic resonance imaging (MRI) scan shows a small line-shaped lesion on the left putamen/external capsule transition. Axial T2-weighted flair MRI scan shows left parietal, right frontobasal and right temporal gliosis. (B) Electromyogram of the right abductor pollicis brevis and abductor digiti minimi muscle shows irregular bursts of around 20 ms (horizontal axis time in seconds, vertical axis bursts in mV).
Video 1
Patient During a Symptomatic Interval.
Irregular jerks of the fingers and the distal arm occur intermittently on the right side. Furthermore, dystonic posture of the right hand and a slight dystonic posture of the right arm can be seen, which are also present during symptom-free intervals.