Brain scans are a helpful tool in recognizing, diagnosing and determining a course of treatment for brain diseases. By using brain scans, doctors can recognize many different kinds of brain diseases including strokes, degeneration of the brain’s layers, tumors and other problems. There are different kinds of brain scans that help doctors make these diagnoses.
One of the most common types of brain scans is CT scans. These scans use X-rays to form a picture that doctors can review. This picture shows the structures of the brain and makes it possible for doctors to see strokes, blood vessel changes, brain atrophy, ischemia, and subdural hematomas. Head CT scans can also help doctors view strokes, brain tumors, and sinus problems.
CT scans do not have as precise imaging capabilities as the MRI. However, the CT is typically more affordable and is also an easier procedure. CT scans are much faster and can be more useful in emergency cases. CT scans are also possible regardless of whether the person has an implanted medical device.
CT scanning is more effective than a traditional x-ray because it can provide more detailed images of tissue. It can look at bone, blood vessels, and soft tissue. Visit website to learn more about the ways scans can help diagnose diseases in the brain.
The MRI, or magnetic reasoning image, is a critical brain scan that uses magnetic fields and radio waves to find hydrogen atoms in brain tissue. The MRI can show the same images that CT scans can show but show them in greater detail. Doctors will often request MRI scans when there needs to be a more detailed picture to review brain atrophy or a small stroke. The MRI will show “detailed pictures of soft tissues like the brain”. Comparing the bright areas and dark areas as well as the size of tissue can help doctors determine where problems might reside.
MRIs are frequently used to help doctors review brain tumors, developmental brain abnormalities, swelling, bleeding, cysts, stroke, inflammation, infection, headache causes, traumatic brain injuries, and dementia. MRIs, however, requires patients to lie still inside a large machine and also require that the patient does not have any metal pieces inside of their body.
The fMRI or functional magnetic reasoning image is a scan similar to the MRI but the MRI focuses on the anatomy of the brain and the FMRI focuses on the metabolic function of the brain. The FMRI is often used to map the brain and notice how the brain responds to different stimuli. This stimulus might be what the patient sees, smells, hears touches or tastes. The FMRI is particularly effective for patients who have suffered from a concussion or other traumatic brain injury because it focuses on blood oxygen levels.
EEG scans, or electroencephalograms, are sometimes used with people who might have seizures. The EEG involves using electrodes to record electrical activity in the brain. It reviews your brain waves. When there is abnormal activity, it can indicate a seizure or other brain diseases. The EEG can detect when patients have brain tumors, brain damage from head injuries or brain dysfunction, inflammation, strokes or sleep disorders. EEGs have also been used to “confirm brain death in someone in a persistent coma,”.
Doctors will choose scanning options for the brain depending on the severity of the case, the type of imaging they need and the patient’s medical history. Each radiological diagnostic tool offers different benefits and drawbacks for the patient.