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A runny nose
  1. Thomas Kirk1,
  2. Meneka Kanagaratnam2,
  3. Andrew D MacKinnon3,
  4. Arani Nitkunan1
  1. 1 Neurology Department, St George’s University Hospital, London, UK
  2. 2 Barts and The London School of Medicine and Dentistry, London, UK
  3. 3 Neuro-radiology Department, St George’s University Hospital, London, UK
  1. Correspondence to Dr Arani Nitkunan; anitkunan{at}nhs.net

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A 43-year-old woman with a body mass index of 35 kg/m2 presented with blurred vision, headache and a nasal discharge. Examination was normal apart from swollen optic discs (figure 1) and bilaterally enlarged blind spots (figure 2). CT scan of the head and CT venogram showed features of raised intracranial pressure, including bilateral transverse sinus narrowing, an enlarged sella with sella arachnoidocele and prominent optic nerve sheath complexes. Lumbar puncture confirmed raised intracranial pressure (opening pressure 45 cmH2O with normal cerebrospinal fluid (CSF) constituents); following the procedure, her headache and …

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