Presurgical language mapping in bilingual children using transcranial magnetic stimulation: illustrative case.
bilingual
brain tumor
language mapping
noninvasive
pediatric
transcranial magnetic stimulation
Journal
Journal of neurosurgery. Case lessons
ISSN: 2694-1902
Titre abrégé: J Neurosurg Case Lessons
Pays: United States
ID NLM: 9918227275606676
Informations de publication
Date de publication:
04 Oct 2021
04 Oct 2021
Historique:
received:
02
07
2021
accepted:
26
07
2021
entrez:
22
9
2022
pubmed:
23
9
2022
medline:
23
9
2022
Statut:
epublish
Résumé
Presurgical mapping of eloquent cortex in young patients undergoing neurosurgery is critical but presents challenges unique to the pediatric population, including motion artifact, noncompliance, and sedation requirements. Furthermore, as bilingualism in children increases, functional mapping of more than one language is becoming increasingly critical. Transcranial magnetic stimulation (TMS), a noninvasive brain stimulation technique, is well suited to evaluate language areas in children since it does not require the patient to remain still during mapping. A 13-year-old bilingual male with glioblastoma multiforme involving the left parietal lobe and deep occipital white matter underwent preoperative language mapping using magnetic resonance imaging-guided TMS. Language-specific cortices were successfully identified in both hemispheres. TMS findings aided in discussing with the family the risks of postsurgical deficits of tumor resection; postoperatively, the patient had intact bilingual speech and was referred for chemotherapy and radiation. The authors' findings add to the evolving case for preoperative dual language mapping in bilingual neurosurgical candidates. The authors illustrate the feasibility and utility of TMS as a noninvasive functional mapping tool in this child. TMS is safe, effective, and can be used for preoperative mapping of language cortex in bilingual children to aid in surgical planning and discussion with families.
Sections du résumé
BACKGROUND
BACKGROUND
Presurgical mapping of eloquent cortex in young patients undergoing neurosurgery is critical but presents challenges unique to the pediatric population, including motion artifact, noncompliance, and sedation requirements. Furthermore, as bilingualism in children increases, functional mapping of more than one language is becoming increasingly critical. Transcranial magnetic stimulation (TMS), a noninvasive brain stimulation technique, is well suited to evaluate language areas in children since it does not require the patient to remain still during mapping.
OBSERVATIONS
METHODS
A 13-year-old bilingual male with glioblastoma multiforme involving the left parietal lobe and deep occipital white matter underwent preoperative language mapping using magnetic resonance imaging-guided TMS. Language-specific cortices were successfully identified in both hemispheres. TMS findings aided in discussing with the family the risks of postsurgical deficits of tumor resection; postoperatively, the patient had intact bilingual speech and was referred for chemotherapy and radiation.
LESSONS
CONCLUSIONS
The authors' findings add to the evolving case for preoperative dual language mapping in bilingual neurosurgical candidates. The authors illustrate the feasibility and utility of TMS as a noninvasive functional mapping tool in this child. TMS is safe, effective, and can be used for preoperative mapping of language cortex in bilingual children to aid in surgical planning and discussion with families.
Identifiants
pubmed: 36131569
doi: 10.3171/CASE21391
pii: CASE21391
pmc: PMC9563954
doi:
pii:
Types de publication
Journal Article
Langues
eng
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