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[Intracranial tumors simulating transient ischemic attacks].

A García Pastor1, I Iniesta López, C de Andrés

  • 1Servicio de Neurología; Hospital General Universitario "Gregorio Marañón", Madrid, 28007, España. agarciapastor@wanadoo.es

Revista De Neurologia
|January 11, 2002
PubMed
Summary

Intracranial tumors can mimic transient ischemic attacks (TIAs). Prompt neuroimaging is crucial for diagnosing these tumors and differentiating them from vascular events.

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Area of Science:

  • Neurology
  • Neurosurgery
  • Oncology

Background:

  • Transient ischemic attacks (TIAs) and intracranial tumors can present with similar neurological deficits.
  • The underlying mechanisms linking these conditions are not fully understood.
  • Accurate differential diagnosis is critical due to distinct treatment pathways.

Observation:

  • Four patients (53-72 years) with no cardiovascular risk factors experienced transient neurological deficits.
  • Neuroimaging revealed intracranial space-occupying lesions (tumors) in the cerebral convexity.
  • Symptoms included hemisensory deficits, transient blindness, and aphasia.

Findings:

  • Surgical resection of confirmed tumors (meningiomas, glioblastoma) led to symptom resolution.
  • The correlation between tumor location and deficits, alongside symptom resolution post-surgery, supports an intracranial origin.

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  • Potential mechanisms include mass effect, intracranial pressure changes, and cortical depression.

    • Implications:

    • Intracranial tumors should be considered in the differential diagnosis of new-onset transient neurological deficits.
    • Neuroradiological imaging is essential for identifying these lesions.
    • Early diagnosis and surgical intervention can effectively resolve tumor-induced neurological symptoms.