Gliomas arise from glial cells, which are a type of supportive cells in the brain. They make up the majority of all brain tumors, accounting for approximately 80 percent of all primary brain tumors. The growth rate and incidence of gliomas can vary depending on the specific type and location of the tumor. While they can occur in children, they are more commonly diagnosed in adults.

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Gliomas

Question 123

Multiple Choice

Gliomas:

A) make up approximately 20 to 40 percent of all brain tumors.
B) grow slowly during 6 to 12 months.
C) arise only from glial cells.
D) are rare in children.

Correct Answer: