MR is a radiation-free technique with which very successful results can be obtained particularly in imaging of soft tissues. Many cancer focuses, which cannot be determined with other diagnostic methods, may be determined. It is a painless technique free of any medication necessities, which may cause allergic reactions, enabling examination of body parts by making Hydrogen atoms in the body vibrate with radio waves within a very powerful magnet area without any harmful x-rays.
Patients with pacemakers, using ear implants, with clips affixed to their brain vessels through brain surgery and pregnant women within the first three months of pregnancy are not taken in to MR examination because of the complicated operation principle of MR device.