EHS
EHS

Spinal myoclonus selectively affecting the platysma after cervical laminectomy

A 70-year-old man on hemodialysis for diabetic nephropathy experienced gradually worsening tetraparesis and sensory disturbance below C6. Spinal cord MRI revealed canal stenosis of C4–C7 (figure, A) and laminectomy was performed. On postoperative day 1, he developed intermittent bilateral platysma myoclonus (video) without facial muscle weakness. The symptom resolved spontaneously on postoperative day 2.

EHS
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