Frontal Sinus Schwannoma: Case Report and Literature Review

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  •   O. Benhoummad

  •   Y. Labani

  •   F. E. Rizkou

  •   Y. Rochdi

  •   A. Raji

Abstract

Whilst schwannomas are mostly developed in the head neck area, the sinonasal involvement is extremely rare, especially those of the frontal sinus. We report a patient with sinonasal schwannoma, invading both frontal sinuses, anterior cranial fossa, the left anterior ethmoidal sinus, and the left nasal cavity. Radiologic imaging showed an isodensed, T2 isointense, T1 hypointense, with heterogeneous enhanced postcontrast mass with bone destruction. The patient underwent resection of the tumor via two approaches, external one and endonasal one. The histological diagnosis was consistent with a schwannoma. The follow-up was marked by the presence of diplopia without any signs of meningitis or cerebrospinal fluid rhinorrhoea.


Keywords: Schwannoma, frontal sinus, paranasal sinuses

References

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Iyer, A., et al., “Schwannomas of the Frontal Sinus: Cases and Review of the Literature,” World Neurosurg, 2018. 110: p. 485-491.

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Gencarelli, J., et al., “Atypical presentation of sinonasal cellular schwannoma: a nonsolitary mass with osseous, orbital, and intracranial invasion,” J Neurol Surg Rep, 2014. 75(1): p. e144-8.

Blake, D.M., et al., “Endoscopic endonasal resection of sinonasal and anterior skull base schwannomas,” J Clin Neurosci, 2014. 21(8): p. 1419-23.

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How to Cite
Benhoummad, O., Labani, Y., Rizkou, F. E., Rochdi, Y., & Raji, A. (2021). Frontal Sinus Schwannoma: Case Report and Literature Review. European Journal of Medical and Health Sciences, 3(3), 61–63. https://doi.org/10.24018/ejmed.2021.3.3.894

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