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Erschienen in:
07.08.2019 | How I Do it - Tumor - Schwannoma
Hearing preservation in vestibular schwannoma surgery via retrosigmoid transmeatal approach
Erschienen in: Acta Neurochirurgica | Ausgabe 11/2019
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Background
Advances in various diagnostic and/or treatment modalities, including radiological imaging, neuromonitoring, and microsurgical techniques, have resulted in treatments of vestibular schwannomas being aimed at preserving facial and hearing functions while achieving optimal tumor control.
Method
We describe our surgical technique for hearing preservation in vestibular schwannoma surgery.
Conclusion
The retrosigmoid transmeatal approach under continuous neuromonitoring (auditory brainstem response, cochlear nerve action potentials, and continuous facial nerve monitoring) enables gross-total resection of vestibular schwannomas, while preserving hearing and facial functions. Radiological assessment and microsurgical techniques, such as meticulous tumor dissection, are also essential for functional preservation with sufficient tumor removal.