Journal of Korean Neurosurgical Society

The Korean Neurosurgical Society (대한신경외과학회)
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Olfactory Schwannoma-Case Report-

  • Choi, Yu-Seok (Department of Neurosurgery, College of Medicine, Dong-A University) ;
  • Sung, Kyung-Su (Department of Neurosurgery, College of Medicine, Dong-A University) ;
  • Song, Young-Jin (Department of Neurosurgery, College of Medicine, Dong-A University) ;
  • Kim, Hyung-Dong (Department of Neurosurgery, College of Medicine, Dong-A University)
  • Published : 2009.02.28
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Abstract

Intracranial schwannomas preferentially arise from the vestibular branch of the eighth nerve, and rarely from the trigeminal nerve, facial nerve, and lower cranial nerves. Anterior cranial fossa schwannomas are extremely uncommon and few details about them have been reported. The patient was a 39-year-old woman whose chief complaints were anosmia and frontal headache for 2 years. The gadolinium (Gd)-enhanced magnetic resonance imaging (MRI) showed an extra-axial mass from ethmoid sinus to right frontal base region near the midline, with solid enhancement in lower portion and multicystic formation in upper portion. The tumor was totally resected via basal subfrontal approach. At operation, the tumor had cystic portion with marginal calcification and the anterior skull base was destructed by the tumor. The olfactory bulb was involved, and the tumor capsule did not contain neoplastic cells. The histopathological diagnosis was schwannoma. We report a rare case of anterior cranial fossa schwannoma with literature review.

Keywords

References

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