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Meningioma

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Topic updated on 06/16/17 12:23pm

Introduction
  • The most common primary CNS neoplasm.
  • Slow growing and benign. 
Presentation
  • Headache awakening patient at night or worse in morning.
  • Elevated ICP leads to:
    • nausea / vomit
    • papilledema
    • Cushing's triad
      • bradycardia
      • HTN
      • Cheyne-Stokes respiration
  • Focal deficits
    • fixed dilated pupil common (CN III)

Evaluation
  • Biopsy is definative diagnosis.
  • Clinical suspicion + CT / MRI can diagnose
    • meningioma
    • lymphoma
    • prolactinoma
  • The size and location of the meningioma dictates the clinical presentation
Differential
  • See list of neurologic tumors at left
Treatment
  • Surgical excision 


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