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Related Experiment Videos

Transient mutism after posterior fossa surgery

M Asamoto1, H Ito, N Suzuki

  • 1Department of Neurosurgery, Tokyo Medical College, Japan.

Child'S Nervous System : Chns : Official Journal of the International Society for Pediatric Neurosurgery
|May 1, 1994
PubMed
Summary

Transient mutism can occur after cerebellar surgery, particularly in children. This speech disorder, characterized by dysarthria, typically resolves spontaneously within months, suggesting a cerebellar origin.

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Area of Science:

  • Neuroscience
  • Pediatric Neurology
  • Speech Pathology

Background:

  • Cerebellar medulloblastoma surgery can lead to postoperative neurological deficits.
  • Transient mutism is a rare but recognized complication following cerebellar operations.

Observation:

  • An 8-year-old girl experienced mutism post-vermis medulloblastoma removal, without other neurological signs.
  • Speech recovery began after 2 weeks, progressing through a dysarthric phase over 2 months.

Findings:

  • The case aligns with 19 reported instances of transient mutism post-cerebellar surgery, often with delayed onset.
  • Absence of long tract signs and presence of dysarthria during recovery support a cerebellar etiology for the mutism.

Implications:

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  • Transient mutism following cerebellar surgery appears to be a distinct neurological entity.
  • Understanding the cerebellar role in speech production is crucial for managing such cases.
  • Further research into the pathogenesis of cerebellar-induced mutism is warranted.