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Gangliogliomas: clinical study and evolution.

A Isla1, F Alvarez, M Gutierrez

  • 1Service of Neurosurgery and Pathology, Hospital, La Paz, Madrid, Spain.

Journal of Neurosurgical Sciences
|October 1, 1991
PubMed
Summary
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Intracranial gangliogliomas, rare brain tumors, often present with epilepsy and temporal lobe locations. Surgical treatment is primary, with imaging like MRI crucial for monitoring recurrences.

Area of Science:

  • Neurology
  • Neurosurgery
  • Oncology

Background:

  • Gangliogliomas are rare primary tumors of the central nervous system.
  • They are typically low-grade glial tumors with neuronal components.
  • Intracranial gangliogliomas present a diagnostic and therapeutic challenge.

Purpose of the Study:

  • To review the clinical characteristics, treatment, and outcomes of patients with intracranial gangliogliomas.
  • To highlight the diagnostic imaging features and management strategies for these tumors.

Main Methods:

  • Retrospective analysis of 11 patients diagnosed with intracranial gangliogliomas.
  • Review of clinical data, neuroimaging (CT, MRI), surgical records, and histopathological findings.
  • Assessment of treatment outcomes including recurrence rates and survival.

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Main Results:

  • Eleven patients (age 4-69 years) with intracranial gangliogliomas were identified.
  • Epilepsy (7 cases) and headache (4 cases) were the most common symptoms.
  • Predominant supratentorial location in the temporal lobe (5 cases); one cerebellar case.
  • CT scans showed hypo/isodense lesions with cysts and contrast enhancement; calcification was rare.
  • All patients underwent surgical resection; 3 required reoperation for recurrence.
  • Radiotherapy was administered in 2 cases.
  • Follow-up (mean 6.8 years) revealed one death; MRI is superior to CT for recurrence detection.

Conclusions:

  • Intracranial gangliogliomas require a multidisciplinary approach involving neurosurgery, neurology, and neuroradiology.
  • Surgical management is the mainstay, with potential need for reoperation.
  • Advanced imaging like MRI is essential for accurate diagnosis and post-treatment surveillance.