Abstract:A previously well 30-year-old woman presented at 17:30 with a sudden onset of dizziness, ataxia and headache. She was initially investigated with a CT scan of the brain and lumbar puncture, which yielded no diagnosis. Subsequent MR scan revealed multiple posterior circulation infarcts, along with a previously undiagnosed Arnold-Chiari 2 malformation with an associated syrinx of her cervical and thoracic spine. The infarct involved one of the herniated cerebellar tonsils. Oedema of an infarct in the herniated t… Show more
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