meningioma

• 15-20% of all brain tumors (2nd to gliomas)
• F > M

• most often detected in middle age
  those detected earlier are:
  • in unusual locations
  • often associated with neurofibromatosis
  • more often malignant

  sites:
  • 90% supratentorial
  • 33-50% parasagittal

            convexity               foramen magnum
            sphenoid wing           middle cranial fossa
            olfactory groove        torcular Herophili
            tuberculum sellae       falx
            petrous ridge           ventricles
    

© 2002, C.E. Kahn, Jr.
2002-04-18