Protocol Number: 04-N-0066
Patients 21 years of age and older with one to three metastatic brain tumors may be eligible for this study. Participants will have a medical history and physical examination, blood and urine tests, an electrocardiogram, and chest x-ray. They will then be randomly assigned to undergo either surgery or SRS. Before either procedure, patients will have a magnetic resonance imaging (MRI) scan. MRI uses a strong magnetic field and radio waves to obtain images of the brain. Patients scheduled for SRS will have a computed tomography (CT) scan in addition to the MRI. CT uses X-rays to obtain images of the brain. During the CT, a contrast agent is injected through an IV tube placed in a vein to enhance the CT images. For both the MRI and CT tests, the patient lies on a table that slides into a cylindrical scanner. The MRI usually lasts between 45 and 90 minutes, while the CT scan lasts for about 30 to 60 minutes. Patients scheduled for surgery will have general anesthesia or local anesthesia with sedation. They will be in intensive care after the surgery until their condition is stable. Before being discharged home, they will have another MRI scan. The surgical sutures or staples will be removed 7 to 10 days after surgery. Patients scheduled for SRS will have their scalp numbed with medicine and their head will be placed in a head frame. A CT scan will be done on the morning of the procedure to plan the treatment. Around noon, the treatment, which consists of brief exposures to radiation, will be administered with the patient positioned comfortably on a treatment couch. The treatment will be completed in 1 to 2 hours, after which the head frame will be removed. After a brief period of observation, the patient will be discharged home. Patients will return to NIH for follow-up visits within 4 weeks after surgery or SRS and then every 3 months after that for a medical history, physical examination, and MRI scan, and to complete a quality of life questionnaire.
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