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Causes of Meningioma

The causes of meningioma are not clear, though one possible culprit is hormonal fluctuations that may cause the tumors to grow (however, more research is needed on this hypothesis). It is also unclear whether whatever prompts these meninges cells to multiply out of control is inherited, related to a person’s environment or both.

There are a few risk factors that may increase a person’s chances of developing a meningioma. These include:

  • Radiation therapy: Radiation treatments to the head may increase the risk of meningioma.
  • Female hormones: As meningioma is more common in women than men, female hormones are thought to play a role in tumor development.
  • Neurofibromatosis type 2: This rare, inherited nervous system disorder increases a person’s risk of meningioma and other brain tumors. 

Locations for Meningioma