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MRI - TMJ
Explanation of the Exam
MRI is considered by most physicians to be the best imaging technique to diagnose disorders
of the temporomandibular joints.The patient lies on a special table inside the MRI scanner,
with a radio receiver antenna, or "coil", over the body part being scanned. A series of pictures
are taken, each set taking anywhere from a few seconds to 10 minutes. Up to 10 of these series
are obtained, each designed to bring out a specific feature of the tissue being imaged and/or
changing the orientation of the slice images. A special kind of contrast, different from that
used in x-ray or CT examinations, may be injected by vein.
Approximate Exam Time
30-60 minutes
Preparation Instructions
Instructions will be given at the time of scheduling the exam. Leave jewelry, coins, hairpins,
pagers, cellular phones, watches, credit cards or any other objects that might be affected by
the powerful magnet at home or give these objects to the MRI staff for safekeeping during the
exam. Please inform the staff if you have a pacemaker, prosthesis, surgical clips, metal implants,
tattoos, body piercing or any other internal metal objects. Please inform the staff if there is
any possibility of PREGNANCY at the time of scheduling your appointment.
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