A 66-year-old man with a previous diagnosis of hypertension,diabetes and hypercholesterolemia underwent abelow-knee amputation of his right leg in 2008 related tovascular insufficiency. Few days later, he presented with‘‘pruritus’’ in the phantom right foot. Over the months, thissensation faded but did not disappear completely. Eighteenmonths after the surgery, the patient complained of visualhallucination and was started on haloperidol by a psychiatrist.Six months later, he noticed stiffness, slowness,speech disturbance, lip smacking as well as involuntarymovements in the right stump. Examination revealed orofacialdyskinesia, rigidity, bradykinesia, slurred speech andpainless involuntary movements of adduction, flexion andextension of the right stump (Videotape Segment 1). Afterhaloperidol withdrawal, there was persistence of the orofacialdyskinesia and jumpy stump movements, althoughthere was improvement in rigidity and bradykinesia.
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