In this Article

• What is an MRI scan?
• When are MRI scans used?
• What are the risks of an MRI scan?
• How does a patient prepare for an MRI scan and how is it performed?
• How does a patient obtain the results of the MRI scan?
• Pictures of an MRI of the spine
• MRI Scan At A Glance
• Patient Discussions: Magnetic Resonance Imaging (MRI Scan) - Helped With Your Diagnosis
• MRI Scan Index

How does a patient obtain the results of the MRI scan?

After the MRI scanning is completed, the computer generates visual images of the area of the body that was scanned. These images can be transferred to film (hard copy). A radiologist is a physician who is specially trained to interpret images of the body. The interpretation is transmitted in the form of a report to the practitioner who requested the MRI scan. The practitioner can then discuss the results with the patient and/or family.

Future

Scientists are developing newer MRI scanners that are smaller, portable devices. These new scanners apparently can be most useful in detecting infections and tumors of the soft tissues of the hands, feet, elbows, and knees. The application of these scanners to medical practice is now being tested.

Pictures of an MRI of the spine

This patient had a herniated disc between vertebrae L4 and L5. The resulting surgery was a discectomy

Picture of herniated disc between L4 and L5

Cross-section picture of herniated disc between L4 and L5

MRI Scan At A Glance

• MRI scanning uses magnetism, radio waves, and a computer to produce images of body structures.

• MRI scanning is painless and does not involve x-ray radiation.

• Patients with heart pacemakers, metal implants, or metal chips or clips in or around the eyes cannot be scanned with MRI because of the effect of the magnet.

• Claustrophobic sensation can occur with MRI scanning.

Magnetic Resonance Imaging (MRI Scan) - Helped With Your Diagnosis

The MedicineNet physician editors ask:

Please describe how magnetic resonance imaging (MRI scan) has helped in your diagnosis.

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