Lassaletta Luis, Fontes Leonardo, Melcon Enrique, Sarria Maria Jose, Gavilan Javier
Department of Otolaryngology, La Paz University Hospital, Madrid, Spain.
Otolaryngol Head Neck Surg. 2003 Oct;129(4):397-401. doi: 10.1016/S0194-59980300628-4.
The purpose of this study is to present our experience with the retrosigmoid approach for vestibular schwannoma resection, emphasizing our hearing results, discussing selection and reporting results criteria.Study design and setting The notes of 65 consecutive cases of vestibular schwannoma undergoing the retrosigmoid approach were reviewed. Hearing data were reported according to the recommendations of the American Academy of Otolaryngology-Head and Neck Surgery (AAO-HNS). In addition, the terms normal, serviceable, useful, and measurable hearing were considered.
Tumor size ranged from 8 to 50 mm (mean, 24.1 mm). Of the 29 patients with preoperative serviceable hearing (AAO-HNS classes A and B), 5 patients (17%) had postoperative serviceable hearing, and 6 patients (20%) had postoperative useful hearing (AAO-HNS classes A, B, and C).
The retrosigmoid approach is a reliable surgical procedure for most vestibular schwannoma tumors. However, hearing preservation results show wide differences depending on selection and reporting results criteria. Hearing preservation, although possible, may not be the main reason to choose this approach.
本研究旨在介绍我们采用乙状窦后入路切除前庭神经鞘瘤的经验，重点阐述听力结果，讨论选择标准及结果报告标准。研究设计与背景回顾了连续65例采用乙状窦后入路的前庭神经鞘瘤病例记录。听力数据根据美国耳鼻咽喉 - 头颈外科学会（AAO - HNS）的建议进行报告。此外，还考虑了正常听力、可用听力、有用听力和可测量听力等术语。
肿瘤大小范围为8至50毫米（平均24.1毫米）。在29例术前有可用听力（AAO - HNS A级和B级）的患者中，5例（17%）术后有可用听力，6例（20%）术后有有用听力（AAO - HNS A级、B级和C级）。
乙状窦后入路对大多数前庭神经鞘瘤来说是一种可靠的手术方法。然而，听力保留结果因选择标准和结果报告标准的不同而存在很大差异。虽然听力保留是可能的，但这可能不是选择该入路的主要原因。
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