Acoustic neuroma can cause numbness or paralysis of the face.
Is it true that acoustic neuroma can cause numbness or paralysis of the face?
Yes. Clinical evidence consistently demonstrates that acoustic neuromas (vestibular schwannomas) and their surgical resection can cause facial nerve dysfunction, ranging from weakness and paralysis to complete loss of facial movement.
Verdict: SUPPORTED · 7 sources for, 0 against · Last checked
The retrieved literature extensively documents facial nerve palsy, weakness, and paralysis as well-known primary complications or presentations associated with acoustic neuromas (vestibular schwannomas) and their surgical resection. Multiple studies report rates of immediate and delayed facial nerve palsy, evaluating recovery trajectories and prognosis. No studies refute the claim.
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Kunihiro, T., Kanzaki, J., Shiobara, R., Inoue, Y., & Kurashima, K. (1999). Long-Term Prognosis of Profound Facial Nerve Paralysis Secondary to Acoustic Neuroma Resection. doi.org. https://doi.org/10.1159/000027649
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Kunihiro, T., Kanzaki, J., Yoshihara, S., & Satoh, Y. (2010). Analysis of the Prognosis and the Recovery Process of Profound Facial Nerve Paralysis Secondary to Acoustic Neuroma Resection. doi.org. https://doi.org/10.1159/000276686
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S, C. R., SF, M., J, F., AK, A., N, P., O, S., M, C., S, B., P, K., D, G., B, W., C, D. S., CM, S., F, C., J, C., JC, N., KO, B., M, L., R, X., JM, C., C, B., J, W., H, B., RJ, T., & CM, J. (2026). Temporal patterns of facial nerve palsy after microsurgical resection of vestibular schwannoma: immediate vs. delayed onset, management, and outcomes.. doi.org. https://doi.org/10.1007/s10143-026-04267-0
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Kunihiro, T., Kanzaki, J., Yoshihara, S., Satoh, Y., Shiobara, R., & Abe, S. (2010). Electromyographic Analysis of Profound Facial Nerve Paralysis following Acoustic Neuroma Resection. doi.org. https://doi.org/10.1159/000276930
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A, M., RK, G., PV, T., TL, H., RE, W., P, S., CE, C., Y, V., NH, B., JS, O., AD, S., MR, H., BJ, G., RF, N., JW, K., B, I., MA, A., S, M., RL, A., H, Z., SH, S., & RK, J. (2026). Long-Term Outcomes of Subtotal Resection for Large Vestibular Schwannomas: Results From the Acoustic Neuroma Subtotal Resection Study, Part I-Facial Nerve Outcomes and Degree of Resection.. doi.org. https://doi.org/10.1227/neu.0000000000004199
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L, N., T, H., L, K., AL, R., L, K., & M, B. (2026). Facial nerve recovery trajectories and predictors after vestibular schwannoma surgery: a single-centre cohort study of 213 patients.. doi.org. https://doi.org/10.2340/jphs.v61.45989
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Y, Z., G, S., & S, X. (2026). Neuroendoscopy Combined with Intraoperative Electrophysiological Monitoring for the Protection of the Facial Nerve in Near Total Resection Surgery for Acoustic Neuroma.. doi.org. https://doi.org/10.3340/jkns.2025.0026
What does the evidence say?
The retrieved literature extensively documents facial nerve palsy, weakness, and paralysis as well-known primary complications or presentations associated with acoustic neuromas (vestibular schwannomas) and their surgical resection. Multiple studies report rates of immediate and delayed facial nerve palsy, evaluating recovery trajectories and prognosis. No studies refute the claim.
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