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MRI of the Head
Purpose
The MRI is for assessing cerebral changes and abnormalities. The images enable us to see formations, blood vessels and any changes occurring within the bony elements of the skull. Developmental variations, abnormalities of the ventricles of the cerebral substance and primary and secondary tumors and possible bleeding may also be observed.
Required preparation
No special preparation is usually required. Should contrast material be necessary via intravenous infusion, then a few hours' fasting will be required prior to the appointment. Laboratory results obtained within two weeks of the appointment will also be necessary especially in view of kidney function.
How is the procedure done?
While the patient lies in the supine position with the head in the scanning machine, images of the head are usually prepared in three planes and various sequences.
The examination lasts 35-45 min., is not painful.
The patient must remain completely motionless during the entire time in order for the images to be evaluated.
Contrast material may need to be administered in rare cases only.
Prior to the procedure, a consent form will have to be filled out and signed by the patient.
Contraindications
Claustrophobia (our equipment is open, thus, lessening the claustrophobic effect on our Patients), size and weight, metal implants that make imaging impossible or cause damage to the Patient (tooth fillings aside) and pacemakers.
Should a Patient be allergic to the contrast material, the examination will be done without it.
The patient will be given a written report of the results and the images on a CD.
