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[Is hearing preservation feasible with the retrosigmoid approach?]
L Lassaletta1, L Fontes, E Melcón
1Servicio de ORL, Hospital Universitario La Paz, P.o de la Castellana, 261, 28046 Madrid. llassalettaa@nexo.es
Acta Otorrinolaringologica Espanola
|August 21, 2002
Summary
The retrosigmoid approach offers excellent visualization and tumor removal for acoustic neuromas. However, hearing preservation rates vary, suggesting careful patient selection is crucial for optimal outcomes.
Area of Science:
- Neurosurgery
- Otolaryngology
- Oncology
Context:
- Vestibular schwannoma (acoustic neuroma) resection presents surgical challenges.
- The retrosigmoid approach is a common surgical technique for accessing brainstem structures.
Purpose:
- To evaluate the efficacy of the retrosigmoid approach for acoustic neuroma resection.
- To analyze hearing preservation outcomes in patients undergoing this procedure.
Summary:
- This study reviewed 56 acoustic neuroma resections via the retrosigmoid approach.
- Tumor sizes ranged from 8-50 mm (mean 24 mm).
- Postoperative serviceable hearing was achieved in 13.3% and measurable hearing in 26.7% of patients with preoperative serviceable hearing. No recurrences were observed.
Impact:
- The retrosigmoid approach is reliable for vestibular schwannoma removal.
- Hearing preservation outcomes can be variable, necessitating careful consideration of patient selection and terminology.
- This approach remains a viable option despite variable hearing results.