Indications
The Common Vein Copyright 2010
Introduction
Indications : MRI is indicated when there is a need for high spatial resolution of soft tissue .
Brain – most indications for imaging except in acute hemorrhage and calcification
Examines brain tissue and skull.
Great to obtain detailed anatomy of the soft tissue in the body.
Indications (study of / in suspicion of):
Tumor
Metastatic disease
Stroke (particularly hyperacute)
Better than CT in demonstrating deep small lacunar lesions in the hemispheres and to visualize the posterior fossa
Infection
Multiple sclerosis
Post-surgical evaluation
Contrast (Gadolinium) can be given to better define and characterize lesions.
Spine – most indications for imaging of the spine . MRI of the spine can help detect herniated or bulging discs, arthritic changes, tumors and other lesions.
Breast – MRI’s ability to differentiate water, fat, and silicone makes it the procedure of choice for evaluating silicone breast implants , implant rupture or residual silicone from removed implants.
Musculoskeletal : MRI of the joints and soft tissue can help detect torn ligaments, torn cartilage, edema (swelling), arthritic changes, tumors, lesions, osteomyelitis, and structural changes.
Abdomen: Only when CT is contraindicated
Cardiac : indications for a MRI of the heart include congenital and acquired heart disease.
Thorax – CT is generally preferred , however MRA may be used for diseases of the aorta.