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Related Experiment Video

Updated: Jul 7, 2026

Primary Culture of Human Vestibular Schwannomas
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Subfrontal schwannoma--case report.

T Harada1, M Kawauchi, M Watanabe

  • 1Division of Neurosurgery, Asama General Hospital, Nagano, Japan.

Neurologia Medico-Chirurgica
|December 1, 1992
PubMed
Summary

A rare subfrontal schwannoma was diagnosed in a 33-year-old male presenting with headaches. Surgical removal was successful, with the tumor likely originating from meningeal branches or the anterior ethmoidal nerve.

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Area of Science:

  • Neurosurgery
  • Neuropathology
  • Oncology

Background:

  • Schwannomas are typically benign nerve sheath tumors.
  • Subfrontal schwannomas are exceptionally rare, posing diagnostic and surgical challenges.
  • Headache is a common presenting symptom for intracranial masses.

Observation:

  • A 33-year-old male presented with a persistent headache.
  • Imaging revealed a subfrontal mass with extension into the ethmoidal sinus.
  • The mass appeared as a low-density lesion on computed tomography.

Findings:

  • Complete surgical resection of the subfrontal schwannoma was achieved via a subfrontal approach.
  • Histopathological examination confirmed the diagnosis of schwannoma.
  • The tumor's origin was postulated to be the meningeal branches or the anterior ethmoidal nerve.

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Implications:

  • This case highlights the importance of considering rare tumors in the differential diagnosis of subfrontal masses.
  • Successful surgical management of subfrontal schwannomas can lead to favorable outcomes.
  • Understanding tumor origin aids in surgical planning and prognosis for these rare neoplasms.