Cerebellar mutism syndrome of non-tumour surgical aetiology: a case report and literature review


Cerebellar mutism syndrome (CMS) is a well-known complication of posterior fossa (PF) tumour surgery. CMS has previously been reported in cases of non-tumour surgical aetiology in a limited number of publications. We report a case of a 10-year-old girl who suffered a cerebellar haemorrhage and subsequent CMS following surgical treatment of a ruptured arteriovenous malformation (AVM) in the cerebellar vermis. The AVM was removed acutely through a transvermian access, and hydrocephalus was treated with temporary external drainage. In the postoperative period, she suffered diffuse vasospasms of the anterior cerebral circulation and had a permanent shunt placed for hydrocephalus. Her mutism resolved after 45 days but severe ataxia persisted. To our knowledge, this is the first reported case of CMS related to a vermian haemorrhagic stroke with postoperative diffuse vasospasms. Based on this case, we present a literature review on CMS of non-tumour surgical origin in children.

Original languageEnglish
JournalChild's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery
Issue number8
Pages (from-to)2201-2213
Number of pages13
Publication statusPublished - Aug 2023


  • Arteriovenous malformation
  • Cerebellar haemorrhage
  • Cerebellar mutism syndrome
  • Posterior fossa syndrome
  • Postoperative vasospasms
  • Cerebellar Neoplasms/complications
  • Humans
  • Brain Neoplasms/surgery
  • Cerebellar Diseases/complications
  • Postoperative Complications/diagnostic imaging
  • Mutism/etiology
  • Syndrome
  • Infratentorial Neoplasms/complications
  • Female
  • Hydrocephalus/diagnostic imaging
  • Child


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