Neuropsychiatric Manifestations of Systemic Lupus Erythematosus Quiz Michael J. Bradshaw, MD Author and Disclosure Information [Show] Multiple Sclerosis and Autoimmune Neurology, Billings Clinic, Billings MTAssistant Professor of Neurology, Department of Clinical Sciences, Rosalind Franklin University of Science and Medicine, Chicago Medical School, Chicago, ILDISCLOSURES: None. Click here to access the full article. Question 1 of 5 A 68-year-old woman with systemic lupus erythematosus (SLE) treated with prednisone and azathioprine presents with hemiballistic movements in the right arm and leg for the past 3 weeks. It is summertime, and she reports that she had a mild upper respiratory tract infection a month ago; she has not been exposed to antipsychotics.What initial diagnostic evaluation is indicated, and what is the likely cause of her abnormal movements? Choose one Brain computed tomography (CT) venography; the most likely etiology is dural venous sinus thrombosis Brain magnetic resonance imaging (MRI) with/without contrast and lumbar puncture with testing of cerebrospinal fluid (CSF) for West Nile IgG/IgM; the most likely etiology is West Nile encephalitis Brain MRI and catheter angiogram; the most likely etiology is central nervous system (CNS) vasculitis Brain MRI with/without contrast and MR angiogram of the head/neck and testing for antiphospholipid antibodies (aPLs); the most likely etiology is stroke This quiz is not accredited for CME.