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  • Title: Hemichorea in ketotic hyperglycemia with hyperdense striatum mimicking hemorrhagic transformation in a patient using apixaban.
    Author: Mikulenka P, Stetkarova I.
    Journal: Neuro Endocrinol Lett; 2020 Oct; 41(4):162-165. PubMed ID: 33307650.
    Abstract:
    INTRODUCTION: Diabetic striatopathy is a rare condition characterized by unilateral hemichorea and/or hemiballismus in the settings of uncontrolled nonketotic diabetes mellitus. Imaging studies usually reveal striatal abnormality - subtle hyperdensity on CT and T1 hyperintensity on MRI. The resolution of clinical symptoms is prompt when optimal glycaemic control is achieved. CASE REPORT: We present the case of a 90-year-old male who came to our attention for acute involuntary choreiform movements of his left-sided extremities lasting two-weeks. Apart from that neurological examination was unremarkable. His medical history included hypertension, atrial fibrillation, previous stroke with no residual disability and poorly controlled type 2 diabetes mellitus on metformin treatment. There was no history of movement disorders or exposure to neuroleptics. His glucose level on admission was 512.6 mg/dL, glycated hemoglobin was 14%. CT scan of the head demonstrated an abnormally increased intensity within the right striatum. Treatment consisted of symptomatic treatment of chorea and improvement of blood glucose control. Tiapride was started with a dose of 100 mg 4 times a day. The patient was initiated on intensive insulin therapy which included insulin glargine 10 units every evening and 12 units of insulin glulisine 3 times a day with meals. Abnormal movements resolved after normoglycemia was achieved approximately 7 days after admission. Though striatal hyperdensity was still present at follow-up CT scan after 10 days, it was less pronounced. CONCLUSION: Diabetic striatopathy is a rare but treatable disorder and should be considered in patients with poorly controlled diabetes who present with hemichorea.
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