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Brain stem compression by a giant vertebrobasilar aneurysm mimicking seronegative myasthenia
  1. J Frisby,
  2. A Wills,
  3. T Jaspan
  1. Departmenr of Neurology, University Hospital Nottingham, Nottingham NG7 2UH, UK
  1. Dr A J Wills ade{at}


A patient is described with a vertebrobasilar aneurysm who was erroneously thought to have myasthenia gravis on the basis of the clinical presentation and investigations, which were interpreted as supportive of a disorder of the neuromuscular junction. Despite the correct diagnosis being made at a late stage the patient made a full recovery after radiological intervention.

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