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. 2022 Apr;38(4):759-766.
doi: 10.1007/s00381-021-05422-2. Epub 2022 Jan 7.

Cerebellar mutism syndrome in pediatric head trauma with cerebellar injury

Anaïs Chivet  1 , Isabelle Delestret  1 , Céline Brodar  1 , Matthieu Vinchon  1
Affiliations

Cerebellar mutism syndrome in pediatric head trauma with cerebellar injury

Anaïs Chivet et al. Childs Nerv Syst. 2022 Apr.

Abstract

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.

Keywords: Cerebellar mutism syndrome; Isolated cerebellar injury; Pediatric head trauma; Posttraumatic neurocognitive assessment.

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