Magnetic resonance imaging of the spine

MRI of the spine is an accurate, noninvasive sensitive imaging modality for the spine capable of demonstrating many pathologic conditions. Its ability to demonstrate long segments of the spine as well as its multiplanar imaging capability offer a unique anatomic perspective. It has superior contrast resolution without the use of iodinated contrast material and uses no ionizing radiation. By manipulating pulse sequences (TR and TE), differences in T1 and T2 relaxation rates can be made manifest, allowing differentiation of anatomic structures and in many cases pathologic conditions. Imminent and future improvements in slice thickness, spatial resolution, and signal-to-noise ratio are likely to improve further its sensitivity and accuracy as an imaging modality.