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Magnetic Resonance Imaging

Services / Radiology / MRI



Magnetic Resonance Imaging (MRI)

MRI is a non invasive method of evaluating the internal structures of the body without the use of ionizing radiation using radio frequency signals in magnetic field. With 16 times faster imaging, the MRI room transforms itself into a patient-friendly ambience with patient’s choice of animations, synchronized soothing music and room lighting.

It exemplifies the patient centric nature of the MRI with great imaging technology at its heart. It overcomes patient unfriendly aspects while giving the doctors images that are more precise and more informative.

MRI: Procedure, Types and Uses

Magnetic resonance imaging (MRI) of the body uses a powerful magnetic field, radio waves and a computer to produce detailed pictures of the inside of your body. It may be used to help diagnose or monitor treatment for a variety of conditions within the chest, abdomen and pelvis.

This information is relayed in real time to produce images on a computer screen. Ultrasound technicians, or sonographers, have special training in how to perform the test. Then a radiologist or your doctor will interpret the ultrasound images. This technology can help diagnose and treat certain conditions.

Some common uses of the procedure-

MR imaging of the body is performed to evaluate:

  • Organs of the chest and abdomen—including the heart, liver, biliary tract, kidneys, spleen, bowel, pancreas, and adrenal glands.
  • Pelvic organs including the bladder and the reproductive organs such as the uterus and ovaries in females and the prostate gland in males.
  • Blood vessels (including MR Angiography).
  • Lymph nodes.

Physicians use an MR examination to help diagnose or monitor treatment for conditions such as:

  • Tumors of the chest, abdomen or pelvis.
  • Diseases of the liver, such as cirrhosis, and abnormalities of the bile ducts and pancreas.
  • Inflammatory bowel disease such as Crohn's disease and ulcerative colitis.
  • Heart problems, such as congenital heart disease.
  • Malformations of the blood vessels and inflammation of the vessels (vasculitis).
  • A fetus in the womb of a pregnant woman.

What does the equipment look like?

The traditional MRI unit is a large cylinder-shaped tube surrounded by a circular magnet. You will lie on a table that slides into the center of the magnet.

Some MRI units, called short-bore systems, are designed so that the magnet does not completely surround you. Some newer MRI machines have a larger diameter bore, which can be more comfortable for larger patients or those with claustrophobia. "Open" MRI units are open on the sides. They are especially helpful for examining larger patients or those with claustrophobia. Open MRI units can provide high quality images for many types of exams.

City X-ray and scan clinic is equipped with the latest MAGNETOM Sempra from Siemens for 1.5 tesla MRI

And for 3T tesla MRI, Siemen’s Magneto Spectra is installed.
MAGNETOM Spectra combines outstanding 3T image quality and typical Siemens Healthineers product quality.

How is the procedure performed?

  • MRI exams may be done on an outpatient basis
  • You will be positioned on the moveable exam table. Straps and bolsters may be used to help you stay still and maintain your position.
  • Devices that contain coils capable of sending and receiving radio waves may be placed around or next to the area of the body being scanned.
  • MRI exams generally include multiple runs (sequences), some of which may last several minutes.
  • If a contrast material is used, a doctor, nurse or technologist will insert an intravenous catheter (IV line) into a vein in your hand or arm that will be used to inject the contrast material.
  • You will be placed into the magnet of the MRI unit. The technologist will perform the exam while working at a computer outside of the room.
  • If a contrast material is used during the exam, it will be injected into the intravenous line (IV) after an initial series of scans. More images will be taken during or following the injection.
  • When the exam is complete, you may be asked to wait while the radiologist checks the images in case more are needed.
  • Your IV line will be removed after the exam is over.
  • Depending on the type of exam and the equipment used, the entire exam is usually completed in 30 to 50 minutes.

MRI Appointments, Duration & Waiting

MRI Scans at City X-ray and Scan Clinic are offered on a first come-first serve basis. Often, as the factors listed below may change from one study to the next, getting a MRI scan often involves a waiting time, as the exact length of your procedure and that of the patients before you, often also depends on the patient's conditions and cooperation.

If your question is how long an MRI should take, please note that several factors can together determine the time required for MRI Scan.

  • Procedure: Depending on procedure, MRI Scan time may vary - a routine MRI Brian should typically be completed in less than 15 minutes, where as a MRI Multipara metric Prostate Contrast may require over 60 minutes of MRI planning and sequences.
  • Patient Movement: If a patient is unable to lie straight and moves during the MRI procedure and moves during the procedure, it may warrant for restart in partial sequences which could cause the time for the MRI to be extended from, say 15 minutes to even 40 minutes.
  • Patient-Specific Detailing: Frequently, if findings in the study require additional detailing, the technician in charge may observe and conduct a few additional minutes of detailing to better help the doctors detail the findings of the case.