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Primary intrasellar schwannoma: case report.

J E Wilberger1

  • 1Department of Neurosurgery, Allegheny General Hospital, Pittsburgh, Pennsylvania 15212.

Surgical Neurology
|August 1, 1989
PubMed
Summary

A rare schwannoma presented in the intrasellar and suprasellar regions, closely resembling a pituitary tumor in clinical, hormonal, and imaging evaluations. This case highlights the importance of considering schwannomas in pituitary tumor differential diagnoses.

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Area of Science:

  • Neuro-oncology
  • Endocrinology
  • Neurosurgery

Background:

  • Schwannomas are typically benign peripheral nerve sheath tumors.
  • Intracranial schwannomas are uncommon, with sellar and suprasellar locations being particularly rare.
  • Pituitary adenomas are the most common tumors in the sellar region.

Observation:

  • A case of a primary intrasellar and suprasellar schwannoma is described.
  • The tumor presented with clinical, endocrinological, and radiographic features similar to a pituitary tumor.
  • Diagnostic imaging and hormonal assessments were initially suggestive of a pituitary adenoma.

Findings:

  • Histopathological examination confirmed the diagnosis of schwannoma.
  • The schwannoma's location and presentation mimicked a pituitary tumor, posing a diagnostic challenge.
  • This highlights the potential for schwannomas to present atypically in the sellar region.

Implications:

  • This case underscores the need to include schwannoma in the differential diagnosis of sellar and suprasellar masses.
  • Accurate preoperative diagnosis is crucial for appropriate surgical planning and patient management.
  • Further research may elucidate the specific factors contributing to schwannoma development in this location.

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