Diagnosis Traumatic Brain Injury - CT and MRI

Because of the complexity of the brain and the way they interact with the rest of the body, a traumatic brain injury can cause many different problems, disorders, and / or complications. Diagnose the extent of traumatic brain injury is not an easy task. Modern technology has doctors and scientists with different imaging techniques that may work study on the effects of an injury to the brain and produce more than expectedaccurate diagnosis of problems. Two of the most used techniques are computed tomography (CT) and magnetic resonance imaging (MRI).

Computed Tomography

Tomography Tomos term derives from the Greek word meaning "section". The scanner is therefore a cut, two-dimensional image produced by X-ray suggested using a technique first by the Italian radiologist Alessandro Vallebona in 1930. By moving the X-ray source and the film in the oppositeInformation about synchronized, creating a blurred image at all levels with the exception of the focal plane. This allows scientists to solve the problem of overlapping images, often encountered in managing the technology of imaging.

Further advances in medical technology have changed and improved the original scanner. The introduction of powerful computers has led to the development of the first CT scanner, which was able to compile a series of images with the CT slice and subsequentlya detailed digital reconstruction of the tissue scanned.

TC have been particularly successful in the diagnosis of injuries to the brain, because it is capable of detecting the presence of many problems, from broken bones to internal bleeding, cancer.

Magnetic Resonance Imaging

Magnetic resonance imaging or MRI, has been developed using research on the phenomenon of nuclear magnetic resonance. While the physics behind the imaging proceduresrather complicated, the basic idea is something like this:

An MRI scanner generates a strong magnetic field, which aligned hydrogen nuclei causes abundant in the body (usually as water) are in some way. Pulses of radio waves from interfering with it "" this guidance, production of rotating magnetic field, such as hydrogen nuclei "reset" after each beat. Then reset the hydrogen nuclei in different types of body tissues at different rates is possible, the scanner uses this information toConstruction of a very detailed picture of soft tissues.

MRI scans are a very effective tool for the diagnosis of neurological problems, particularly for cancers and diseases that do not occur in calcified tissues. However, last longer than CT, MRI, as a rule, are more expensive and may be less readily available.

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