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MRI(Magnetic Resonance Imaging)

What is MRI ?
Magnetic Resonance Imaging(MRI) is a painless and safe dignostic procedure that uses a powerful magnet and radio waves to produce detailed images of the body's organs and structures, without trhe use of X-rays or other radiation.

It helps your doctor to create clear pictures of most parts of the body that give more information than other test such as X-ray. It is commonly used to get detailed pictures of the brain and spinal cord, to detect abnormalities and tumors.

Example of the images produce by MRI

What is MRI scan and what it used for?
MRI scan is a medical procedure in which human body organs and structures can be viewed using a large magnet andradio waves.

MRI scan is most useful for scanning the brain and spinal cord. It is also used to scan the chest, abdomen, blood vessel and bones.

MRI scan helps to diagnose various medical conditions and diseases. It detects any abnormalities such as tumors, infection, injury, bleeding or diseases of the blood vessels. An MRI scan may also be performed to examine a problem that has been detected in an X-ray, CT scan or ultrasound scan.

How is the MRI Scan examination performed ?

The MRI scan is easy and comfortable. At the start of the scanning process, the you will lies on a padded motorized table that slkides in and out of the MRI "tube". Three powerful magnets surround you when positioned inside the MRI tube. Some newer MRI machines are "open" at the sides. Open scanning is of great benefit to claustrophobic you.


The technician operates the MRI machine from a room adjacent to the patient area, which is shared by a large window. The technician is able to see and communicate with the patient during the entire produre. The operation of the equipment from a separate area is necessary to protect the computer from the powerful magnetic forces.

Is MRI scan same with CT scan ?

Almost same, but with an MRI scan, it is possible to take pictures from almost every angle, where as a CT scan only shows pictures horizontally. There is no ionizing radiation(X-rays) involved in producing an MRI scan. MRI scans are generally more detailed. The difference between normal and abnormal tissue is often clearer on the MRI scan than on the CT scan.

Are there any risk in having a MRI scan ?
  • The MRI examination poses almost no risk to the average patient when appropriate safety guidelines are followed.
  • Although the strong magnetic field is not harmful in itself, implanted medical devices that contain metal may malfunction or cause problems during an MRI exam.
  • There is a very slight risk of an allergic reaction if constrast material is injected. Such reactions usually are mild and easily controlled by medication. If you experience allergic symptoms, a radiologist or other physician will be available for immediate assistance.
  • Nephrogenic systemic fibrosis is currently a recognized, but rare, complication of MRI believed to be caused by the injection of high does of gadolinium constrast material in patients with very poor kidney function.
How should I prepare for the produce?
  • You may be asked to wear a gown during the exam or you may be allowed to wear your own clothing if it is loose-fitting and has no metal fasteners.
  • Guidelines about eating and drinking before an MRI exam vary with the specific exam and also with the facility. For some types of exams, you will be asked to fast for 8-12 hours. Unless you are told . Otherwise, you may follow your regular daily routine and take medications as usual.
  • You also required to remove all metal jewelry and electronic devices