Facial nerve damage remains a significant risk during vestibular schwannoma (VS) resection, with reported incidences varying widely (3-46%). Damage risk increases with tumor size. Digital tractography enables nerve reconstruction but typically involves manual procedures, resulting in subjective evaluations that limit reproducibility and validation....
No immediate change to audiological practice; this is a pilot surgical study, but audiologists involved in intraoperative monitoring should be aware of emerging DTI-based facial nerve localization as a complementary tool.
Preserving facial nerve function during vestibular schwannoma surgery is a critical outcome, and DTI-guided localization could reduce rates of post-operative facial palsy if validated in larger trials.
- 01Pilot study evaluated semi-automatic DTI-based facial nerve localization during large vestibular schwannoma resections.
- 02The technique aims to reduce intraoperative facial nerve injury.
- 03Pilot design limits generalizability; larger prospective studies are needed.
- 04DTI tractography was co-registered with intraoperative findings for validation.
- 05Facial nerve preservation is a key concern in vestibular schwannoma surgery affecting post-operative quality of life.
Semi-automatic DTI-based localization can identify the facial nerve position intraoperatively during large vestibular schwannoma resections.
studypartially supported- PMID
- 42112048
- DOI
- 10.1055/a-2816-7006.
- Journal
- Journal of Neurological Surgery
- Publication type
- research_article
- Evidence level
- 4
- Population
- Patients with large vestibular schwannomas undergoing surgical resection
- Intervention
- Semi-automatic facial nerve localization using diffusion tensor imaging (DTI)
- Comparator
- Intraoperative anatomical findings / standard neuromonitoring
Primary outcomes
Accuracy of DTI-based facial nerve localization intraoperatively; Facial nerve preservation outcomes