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....
✦ The floor
Discussion
Signed responses from readers of the wire.
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