Multimodal Surgical Management of Cerebral Lesions in Motor-Eloquent Areas Combining Intraoperative 3D Ultrasound with Neurophysiological Mapping.
J Neurol Surg A Cent Eur Neurosurg
; 82(4): 344-356, 2021 Jul.
Article
em En
| MEDLINE
| ID: mdl-33352612
ABSTRACT
BACKGROUND:
Resection of tumors adjacent to motor pathways carries risks of both postoperative motor deficit and incomplete resection. Our aim was to assess usefulness and limitations of a multimodal strategy that combines intraoperative ultrasound (iUS) guided resection with intraoperative neurophysiology.METHODOLOGY:
This is a prospective study of 25 patients with brain lesions adjacent to motor areas who underwent intracranial surgery with assistance of the iUS guidance system and intraoperative neurophysiological monitoring and mapping. Pathologies treated included 19 gliomas, 3 metastases, 1 anaplastic meningioma, 1 arteriovenous malformation (AVM), and 1 ependymoma. The iUS-guided lesion removal accuracy and the extent of resection were estimated and compared with a 30-day postoperative brain MRI. The results were assessed considering the extent of resection related to 6-month motor function outcome.RESULTS:
iUS was accurate in checking the extent of resection in 17 patients, whereas in 8 cases the decline of the iUS images quality did not allow a valuable assessment. Positive mapping was obtained in 16 patients. Gross total resection was achieved in 16 patients. In five of nine cases with subtotal resection, surgery was stopped because a functional area was reached. In four patients, tumor removal was limited due to the difficulty of identifying neoplastic tissue. Motor function worsening was transient in six patients and permanent in two.CONCLUSIONS:
The integrated use of intraoperative neuromonitoring to identify motor areas and iUS to identify tumor-tissue interface could help increase the rate of radical resection respecting the eloquent areas.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Mapeamento Encefálico
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Imageamento por Ressonância Magnética
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Ultrassonografia
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Procedimentos Neurocirúrgicos
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Monitorização Neurofisiológica Intraoperatória
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Córtex Motor
Tipo de estudo:
Diagnostic_studies
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Observational_studies
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Risk_factors_studies
Limite:
Adult
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Humans
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Male
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Middle aged
Idioma:
En
Revista:
J Neurol Surg A Cent Eur Neurosurg
Ano de publicação:
2021
Tipo de documento:
Article
País de afiliação:
Itália