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Acquired Chiari 1 malformation and syringomyelia following lumboperitoneal shunting for pseudotumour cerebri
  1. R Padmanabhan,
  2. D Crompton,
  3. D Burn,
  4. D Birchall
  1. Regional Neurosciences Centre, Newcastle upon Tyne, UK
  1. Correspondence to:
 Daniel Birchall
 Neuroradiology, Newcastle General Hospital, Newcastle upon Tyne NE4 6BE, UK; daniel.birchallnuth.nhs.uk

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An important but not widely recognised complication of lumboperitoneal shunting is the development of a Chiari 1 deformity and syringomyelia. We present a case of a patient who developed symptomatic cerebellar tonsillar descent and syrinx formation following treatment of pseudotumour cerebri with lumboperitoneal shunting.

Case report

A 31 year old woman was diagnosed with pseudotumour cerebri following development of headaches, loss of vision, and papilloedema, in association with a cerebrospinal fluid (CSF) opening pressure of 36 cm H2O. Cranial imaging showed an attenuated ventricular system and no other abnormality. In particular, the posterior fossa was …

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  • Competing interests: none declared