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Interventional magnetic resonance imaging, also interventional MRI or IMRI, is the use of magnetic resonance imaging (MRI) to do interventional radiology procedures.. Because of the lack of harmful effects on the patient and the operator, MR is well suited for "interventional radiology", where the images produced by an MRI scanner are used to guide a minimally-invasive procedure ...
Intraoperative magnetic resonance imaging (iMRI) is an operating room configuration that enables surgeons to image the patient via an MRI scanner while the patient is undergoing surgery, particularly brain surgery. iMRI reduces the risk of damaging critical parts of the brain and helps confirm that the surgery was successful or if additional resection is needed before the patient's head is ...
MRI without contrast agents is the imaging mode of choice for pre-surgical, in-utero diagnosis and evaluation of fetal tumors, primarily teratomas, facilitating open fetal surgery, other fetal interventions, and planning for procedures (such as the EXIT procedure) to safely deliver and treat babies whose defects would otherwise be fatal.
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Part of the wider field of computer-assisted surgery, image-guided surgery can take place in hybrid operating rooms using intraoperative imaging. A hybrid operating room is a surgical theatre that is equipped with advanced medical imaging devices such as fixed C-Arms, CT scanners or MRI scanners.
At some point before surgery a health care provider conducts a preoperative assessment to verify that a person is fit and ready for the surgery. [ 1 ] [ 2 ] For surgeries in which a person receives either general or local anesthesia, this assessment may be done either by a doctor or a nurse trained to do the assessment. [ 2 ]
This application is particularly helpful when a 3D image of the tissue is needed during surgery. [11] It requires an in-room display for the physician to use during the procedure as well as the use of MRI-safe surgical tools. These include ceramic, plastic, or titanium, which is a paramagnetic metal. By using bSSFP and parallel imaging with ...
The common procedure for a DCE-MRI exam is to acquire a regular T1-weighted MRI scan (with no gadolinium), and then gadolinium is injected (usually as an intravenous bolus at a dose of 0.05–0.1 mmol/kg) before further T1-weighted scanning. DCE-MRI may be acquired with or without a pause for contrast injection and may have varying time ...