Dr Zahoor ahmed, Dr Hira nasir, Dr Arifa Tariq, Dr Mamoona Ashraf
Diabetes is a common ailment in our world. It has some atypical presentations as well; one of them is hemiballismus-hemichorea. Here we report a case of newly diagnosed diabetic patient presenting as hemiballismus-hemichorea secondary to hyperosmolar non-ketotic coma. Her MRI brain showed T1 high signals in right basal ganglia and corona radiata suggestive of metabolic derangement. These symptoms may take from months to years to resolve. It has a good prognosis if it is recognized early and treated effectively. Key Words: Basal ganglia; chorea; diabetes mellitus; dyskinesia; metabolic disease.