The tracer travels through the blood and attaches to brain tumor cells. A PET scan uses a radioactive tracer that's injected into a vein. A positron emission tomography scan, also called a PET scan, can detect some brain tumors. Your health care team uses this information to plan your treatment. The parts of the tumor that have a higher amount of blood may be the most active parts of the tumor. This test uses MRI to measure the amount of blood in different parts of the brain tumor. Magnetic resonance perfusion is another special type of MRI. Having too much or too little of the chemicals might tell your health care team about the kind of brain tumor you have. This test uses MRI to measure levels of certain chemicals in the tumor cells. This helps your health care provider plan surgery and other treatments.Īnother special MRI test is magnetic resonance spectroscopy. This special MRI shows which parts of the brain control speaking, moving and other important tasks. Sometimes you need a special type of MRI to create more-detailed pictures. It can help your health care team see the difference between a brain tumor and healthy brain tissue. This makes it easier to see smaller tumors. Often a dye is injected into a vein in the arm before an MRI. MRI is often used to detect brain tumors because it shows the brain more clearly than do other imaging tests. Magnetic resonance imaging, also called MRI, uses strong magnets to create pictures of the inside of the body. If your provider thinks your CT scan shows a brain tumor, you might need a brain MRI.īrain MRI. The results give your health care provider clues to decide what test to do next. A CT scan can detect problems in and around your brain. So CT might be the first imaging test that's done if you have headaches or other symptoms that have many possible causes. It's widely available, and results come back quickly. A computed tomography scan, also called a CT scan, uses X-rays to make pictures. But it helps your provider understand what part of your brain might be having a problem. A neurological exam doesn't detect a brain tumor. If you have trouble in one or more areas, this is a clue for your health care provider.
This exam may include checking your vision, hearing, balance, coordination, strength and reflexes. A neurological exam tests different parts of your brain to see how they're working. If your health care provider thinks you might have a brain tumor, you'll need a number of tests and procedures to be sure.
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