A member asked:

Is every glioma malignant?

5 doctors weighed in across 2 answers
Dr. Kenneth Pienta answered

Specializes in Hematology and Oncology

No: Glioma is a broad term that refers to cancers in the brain. Many are malignant but some are benign.

Answered 2/4/2017

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Dr. Jefferson Chen answered

Specializes in Neurosurgery

No: Gliomas arise from brain astrocytes, ependyma cells(lines the ventricles), or oligodendrocytes (cells that make the coverings of nerves). The most common gliomas are the astrocytomas. These are graded such that grades 1 and 2 are low grade while 3 and 4 are malignant. The grade 4 is the glioblastoma which is the most malignant. Treatment and prognosis is dependent upon the pathological grade.

Answered 3/31/2013

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