Meningiomas: Prominent Expert’s Q&A on the Most Common Brain Tumor

Meningiomas represent about 1 out of 3 primary brain and spinal cord tumors. They are the most commonly diagnosed primary brain tumors in adults. And although they evolve in the meninges, the layers of tissue that surround the outer part of the brain and spinal cord, they are referred to as brain tumors

The vast majority of meningiomas are benign, but these tumors can grow slowly and, if left undiscovered, can be severely disabling and life-threatening depending on their location. About 10 to 15 percent of meningiomas are malignant, or cancerous.

Michael McDermott, M.D.., a neurosurgeon and the chief medical executive of Miami Neuroscience Institute, is a world-renowned leader in neurosciences, with a clinical expertise in the field of meningioma surgery.

“I would say that the greatest proportion of meningiomas are discovered by chance,” explains Dr. McDermott. “Because of the wide availability of modern imaging, particularly with magnetic resonance imaging (MRI), studies are done for other reasons. That’s why these tumors are frequently discovered.”

Dr. McDermott is the editor of two books that were recently published: Handbook of Clinical Neurology: Meningiomas, Part 1, Vol. 169 (2020); and Part 2, Vol. 170 (2020).

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