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These tumors, sometimes benign, generally arise from the ependymal cells that normally line the fluid-filled space in the brain known as the fourth ventricle. Primary lesions may also develop in the spinal cord. |
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These tumors, sometimes benign, generally arise from the ependymal cells that normally line the fluid-filled space in the brain known as the fourth ventricle. Primary lesions may also develop in the spinal cord. |
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