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Ependymomas: a clinicopathologic study.

C E Rawlings1, F Giangaspero, P C Burger

  • 1Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710.

Surgical Neurology
|April 1, 1988
PubMed
Summary
This summary is machine-generated.

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Ependymomas, a type of glial neoplasm, show varied clinical and pathologic characteristics based on location. Tumor site, age, and metastases significantly impact survival, with complete spinal cord tumor resection leading to no recurrences.

Area of Science:

  • Neuro-oncology
  • Pathology
  • Neurosurgery

Background:

  • Ependymomas, classified as glial neoplasms since 1924, remain incompletely understood.
  • Despite extensive research, key clinical and pathological aspects require further elucidation.

Purpose of the Study:

  • To comprehensively analyze the clinical and pathological features of ependymomas.
  • To identify factors influencing survival in patients with ependymomas.

Main Methods:

  • Retrospective analysis of 62 patients with histologically confirmed ependymomas.
  • Categorization into supratentorial, infratentorial, and intramedullary spinal cord tumor groups.
  • Statistical analysis of clinical data, including symptoms, neurological signs, and radiological findings (CT, myelography).

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Main Results:

  • Median survival times varied by location: 92 months (supratentorial), 36 months (infratentorial), and 117 months (spinal cord).
  • Significant survival predictors included tumor site, patient age, and neuraxis metastases.
  • Specific features like cranial nerve palsies (supratentorial) and epithelial features (infratentorial) correlated with outcomes.
  • Complete gross resection of spinal cord ependymomas resulted in no recurrences or mortality.

Conclusions:

  • Ependymoma characteristics and prognosis are strongly influenced by tumor location and patient age.
  • Tumor site, age, and the presence of metastases are critical prognostic indicators.
  • Surgical resection, particularly complete gross resection for spinal cord tumors, is crucial for favorable outcomes.