"Dancing eye syndrome" secondary to opsoclonus-myoclonus syndrome in small-cell lung cancer.
Among paraneoplastic neurologic disorders (PND), opsoclonus-myoclonus syndrome, so-called "dancing eye syndrome," is a rare disorder combining multivectorial eye movements, involuntary multifocal myoclonus, and cerebellar ataxia. Although several paraneoplastic antibodies against postsynaptic or cell-surface antigens have been reported, usually most patients are serum antibody negative. We report a 65-year-old patient with opsoclonus-myoclonus syndrome revealing a small-cell lung carcinoma. If serologic antineuronal anti-body screening was negative, autoantibodies against glutamic acid decarboxylase (anti-GAD) were positive. Despite the specific anticancer treatment and high dose corticosteroids, the patient developed a severe and progressive encephalopathy and died 10 days later.
Department of Thoracic Oncology, Pleural Diseases, and Interventional Pulmonology, AP-HM-Hôpital Nord, Chemin des Bourrely, 13326 Marseille Cedex 20, France ; Aix-Marseille University, 13005 Marseille, France.
S
S
Laroumagne
Department of Thoracic Oncology, Pleural Diseases, and Interventional Pulmonology, AP-HM-Hôpital Nord, Chemin des Bourrely, 13326 Marseille Cedex 20, France.
Xavier
X
Elharrar
Department of Thoracic Oncology, Pleural Diseases, and Interventional Pulmonology, AP-HM-Hôpital Nord, Chemin des Bourrely, 13326 Marseille Cedex 20, France.
B
B
Coiffard
Department of Thoracic Oncology, Pleural Diseases, and Interventional Pulmonology, AP-HM-Hôpital Nord, Chemin des Bourrely, 13326 Marseille Cedex 20, France.
J
J
Plojoux
Department of Thoracic Oncology, Pleural Diseases, and Interventional Pulmonology, AP-HM-Hôpital Nord, Chemin des Bourrely, 13326 Marseille Cedex 20, France.
H
H
Dutau
Department of Respiratory Medicine, University Hospitals Galway, Galway, Ireland.
D
D
Breen
Department of Thoracic Oncology, Pleural Diseases, and Interventional Pulmonology, AP-HM-Hôpital Nord, Chemin des Bourrely, 13326 Marseille Cedex 20, France ; Aix-Marseille University, 13005 Marseille, France.
P
P
Astoul