Cerebellar mutism syndrome in pediatric head trauma with cerebellar injury
Anaïs Chivet1, Isabelle Delestret1, Céline Brodar1
1Department of Pediatric Neurosurgery, Lille University Hospital, Lille, France.
Insights
Cerebellar mutism syndrome (CMS) is a rare condition following pediatric head trauma. This study identified two cases, highlighting the need for better recognition and understanding of this neurological disorder.
Area of Science:
- Pediatric Neurology
- Neurotraumatology
- Neurorehabilitation
Background:
- Cerebellar mutism syndrome (CMS) is an underdiagnosed condition following cerebellar injury in children.
- Current clinical practice often lacks proper diagnosis and treatment protocols for CMS.
- Understanding CMS pathophysiology is crucial for effective patient management.
Purpose of the Study:
- To clinically identify Cerebellar Mutism Syndrome (CMS) after isolated traumatic cerebellar injury in pediatric patients.
- To propose potential pathophysiological explanations for CMS in this context.
- To improve the recognition and management of CMS.
Main Methods:
- Retrospective analysis of 8 pediatric patients with isolated cerebellar injury over 16 years.
- Review of clinical presentations, radiological findings, and injury localization.
- Assessment of initial CMS symptoms and long-term neurocognitive outcomes.
Main Results:
- Two out of 8 patients were diagnosed with CMS following isolated traumatic cerebellar injury.
- The injuries in CMS patients affected median structures of the posterior fossa, including the fourth ventricle and dentate nuclei.
- One patient experienced prolonged concentration difficulties for nearly a year.
Conclusions:
- Cerebellar mutism syndrome (CMS) can occur after traumatic cerebellar injury, although it appears rare.
- Improved detection and further research are necessary to enhance pathophysiological knowledge of CMS.
- Enhanced understanding will facilitate appropriate follow-up and rehabilitative care for affected children.
Purpose:
Cerebellar mutism syndrome (CMS) after cerebellar injury in pediatric head trauma is a poorly recognized condition that is not properly diagnosed or treated in our daily practice. We aimed to clinically identify this syndrome after isolated posttraumatic cerebellar injury and to propose pathophysiological explanation.
Methods:
We retrospectively analyzed 8 consecutive children presenting with isolated cerebellar injury over 16 years. Clinical presentation, radiological type and localization of injury, clinical initial CMS symptoms, and long-term neurocognitive outcome were reviewed.
Results:
Out of 8 patients presenting with isolated traumatic cerebellar injury, we diagnosed 2 cases with initial clinical symptoms of CMS. Both patients had an injury damaging median structures of the posterior fossa, especially the fourth ventricle and dentate nuclei. Initial symptoms lasted more than 1 month for one patient, who still presented concentration difficulties almost 1 year after the head injury.
Conclusion:
CMS after traumatic cerebellar injury does exist, even if it seems to be a very rare entity. It has to be better detected and studied in order to enrich pathophysiological knowledge about CMS of all etiologies and to bring our concerned patients the suitable follow-up and rehabilitative care that they could benefit from.


