The Submandibular Tumor: Unmasking a Rare Hypoglossal Schwannoma

Authors

  • Mohd Naqiuddin Mohd Najib Department of Otorhinolaryngology-Head and Neck Surgery, School of Medical Sciences, Universiti Sains Malaysia Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
  • Norsyamira Aida Mohamad Umbaik Department of Otorhinolaryngology-Head and Neck Surgery, School of Medical Sciences, Universiti Sains Malaysia Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
  • Nur Asyilla Che Jalil Department of Pathology, School of Medical Sciences, Universiti Sains Malaysia Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
  • Norhafiza Mat Lazim Department of Otorhinolaryngology-Head and Neck Surgery, School of Medical Sciences, Universiti Sains Malaysia Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia

DOI:

https://doi.org/10.31344/ijhhs.v10i4.990

Keywords:

Hypoglossal schwannoma, hypoglossal nerve, submandibular gland, pleomorphic adenoma

Abstract

Hypoglossal schwannoma(HS) is a rare benign tumor of the twelfth cranial nerve, and its extracranial presentation can closely resemble a submandibular gland mass. We report a patient with a painless, gradually enlarging left submandibular swelling initially thought to arise from the submandibular gland. Imaging revealed an enlarged left submandibular gland containing a well-defined, heterogeneous lesion and fine-needle aspiration(FNAC) suggested pleomorphic adenoma(PA). Surgical excision via a transcervical approach was performed, and histopathological examination confirmed the diagnosis of schwannoma. Extracranial HS are exceedingly rare and may be misdiagnosed preoperatively. Complete surgical excision remains the treatment of choice, with nerve preservation crucial to prevent postoperative tongue weakness.

International Journal of Human and Health Sciences Vol. 10 No. 04 Oct’26 Page: 304-308

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Published

2026-08-30

How to Cite

Mohd Najib, M. N., Mohamad Umbaik, N. A., Jalil, N. A. C., & Lazim, N. M. (2026). The Submandibular Tumor: Unmasking a Rare Hypoglossal Schwannoma. International Journal of Human and Health Sciences (IJHHS), 10(4), 304–308. https://doi.org/10.31344/ijhhs.v10i4.990

Issue

Vol. 10 No. 4 (2026)

Section

Case Report

License

Copyright (c) 2026 Mohd Naqiuddin Mohd Najib, Norsyamira Aida Mohamad Umbaik, Nur Asyilla Che Jalil, Norhafiza Mat Lazim

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