HEMICHOREA-HEMIBALLISMUS INDUCED BY NON-KETOTIC HYPERGLYCEMIA: CASE REPORT

Non-ketotic hyperglycemia with hemichorea-Hemiballismus (HGSC) is a rare complication of a non-equilibrated diabetic disease characterized by a continuous rapid, non-rhythmic, involuntary unilateral movement of the extremities, caused in most cases by decreased activity of the contralateral subthalamic nucleus of the basal ganglia. It may reveal undiagnosed diabetes. We describe here the case of an 84-year-old Moroccan woman followed for type 2 diabetes mellitus under treatment, who presented with abnormal movements of the right half-body. Laboratory tests showed higher blood glucose levels, urinary ketones were negative, brain CT without injection showed high density in the basal ganglia on the left side.