Brain and Spinal Cord Tumors
Treating Brain Tumors in Children
Dr. Sandberg is affiliated with Memorial Hermann Health System. Views or opinions presented in this video are solely those of the physician(s) or presenter(s) and do not necessarily represent the views and opinions of Memorial Hermann Health System. This video is presented to the public for educational purposes only and Memorial Hermann Health System is not responsible for its content. Patients should consult a physician regarding the diagnosis and treatment of any medical condition.
What are the symptoms of a tumor in the brain or spinal cord?
Tumors of the central nervous system constitute the second most common cancer of childhood. Tumors can occur in any portion of the brain and spinal cord and can be benign or malignant. If the tumor develops in the brain, children usually develop headache, rapid head growth (in infants), and nausea with or without vomiting. If the tumor develops in the spinal cord, children can develop numbness, weakness, incontinence, or difficulty walking.
How is a tumor in the brain or spinal cord evaluated?
When a tumor is suspected, the first step is neuroimaging. Usually MRI scanning with and without a contrast agent is the preferred study. The contrast agent is a drug given intravenously which can provide additional detail of the tumor and surrounding nervous system structures. Once the MRI is completed, treatment decisions are made. Usually a surgical biopsy or resection is performed. Pathologic evaluation of the tumor directs subsequent treatment choices, which include chemotherapy and/or radiation therapy.
What is the surgical treatment of a tumor in the brain or spinal cord?
For most pediatric brain tumors, the extent of tumor resection is critical. A greater than 90% removal correlates with improved long-term survival. To enhance the safety of tumor resection, functional mapping techniques are utilized. These include magnetoencephalography (MEG) and intraoperative corticography. Both techniques can identity areas of brain critical to motor, sensation, and speech, so that these can be avoided during tumor resection. In addition, image guided systems allow computer guided resection of tumors.
What happens after surgery for a tumor in the brain or spinal cord?
Treatment following surgery is directed by the pathologic diagnosis, the location of the tumor, and the extent of resection. The care is conducted by a multidisciplinary team consisting of a neurooncologist, radiation oncologist, neurologist, and neurosurgeon. Treatment may be as simple as observing the tumor with serial MRI scans or as complicated as chemotherapy with radiation therapy. Coordinated care and long term surveillance should be part of every patient's care.
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This information, although based on a thorough knowledge and careful review of current medical literature, is the opinion of doctors at The University of Texas Medical School and is presented to inform you about surgical conditions. It is not meant to contradict any information you may receive from your personal physician and should not be used to make decisions about surgical treatment. If you have any questions about the information above or your child's care, please contact our doctors.