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Brainstem schwannoma--case report

M Tanabe1, H Miyata, H Okamoto

  • 1Division of Neurosurgery, Faculty of Medicine, Tottori University, Yonago.

Neurologia Medico-Chirurgica
|December 1, 1996
PubMed
Summary
This summary is machine-generated.

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A rare brainstem schwannoma was successfully removed in a 68-year-old female. Complete tumor resection may be curative for this typically benign tumor.

Area of Science:

  • Neurosurgery
  • Neuropathology
  • Oncology

Background:

  • Brainstem schwannomas are rare tumors.
  • Initial presentation can mimic highly malignant gliomas.
  • Surgical approach is critical for successful resection.

Observation:

  • A 68-year-old female presented with right hemiparesis, diplopia, and dysphagia.
  • Neuroimaging suggested a malignant glioma in the pons and cerebral peduncle.
  • Intraoperative findings revealed a distinct tumor with a capsule.

Findings:

  • The tumor was successfully removed via an orbitozygomatic craniotomy and anteromedial pericavernous approach.
  • Histological, immunohistochemical, and ultrastructural examinations confirmed a benign schwannoma.
  • Despite initial misdiagnosis, the tumor was distinct and fully resectable.

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Implications:

  • Complete surgical removal of brainstem schwannomas can be curative.
  • Benign schwannomas, even in the brainstem, have favorable outcomes with resection.
  • Accurate diagnosis and surgical expertise are crucial for managing brainstem lesions.