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Hyperdense basilar artery sign
  1. Karim Mahawish
  1. Care of the Elderly, Warrington Hospital, Warrington, UK
  1. Correspondence to Dr Karim Mahawish, k.mahawish{at}

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A 48-year-old man presented with a 24 h history of neck pain, vomiting, vertigo and impaired gait. On examination, he was found to have left gaze provoked nystagmus and left arm and leg dysmetria with mild weakness, symptoms attributable to cerebellar dysfunction. He underwent an unenhanced CT of the brain, which demonstrated possible thrombus in the basilar artery (figure 1). Aspirin 300 mg once daily was …

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