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Intertissue contrast and spatial resolution of complete\u2010spine\u2010coverage 3D WB\u2010SSFP were compared with those of 2D <jats:italic>T<\/jats:italic><jats:sub>2<\/jats:sub>\u2010weighted fast spin echo, currently the standard for spine <jats:italic>T<\/jats:italic><jats:sub>2<\/jats:sub>\u2010imaging. Six normal subjects were imaged at 1.5 and 3 T. The signal\u2010to\u2010noise ratio efficiency (SNR per unit\u2010time and unit\u2010volume) of several tissues was measured, along with four intertissue contrast\u2010to\u2010noise ratios; nerve\u2010ganglia:fat, intradural\u2010nerves:cerebrospinal fluid, nerve\u2010ganglia:muscle, and muscle:fat. Patients with degenerative and traumatic spine disorders were imaged at both MRI fields to demonstrate WB\u2010SSFP clinical advantages and disadvantages. At 3 T, WB\u2010SSFP provided spinal contrast\u2010to\u2010noise ratios 3.7\u20135.2 times that of fast spin echo. At 1.5 T, WB\u2010SSFP contrast\u2010to\u2010noise ratio was 3\u20133.5 times that of fast spin echo, excluding a 1.7 ratio for intradural\u2010nerves:cerebrospinal fluid. WB\u2010SSFP signal\u2010to\u2010noise ratio efficiency was also higher. Three\u2010dimensional WB\u2010SSFP disadvantages relative to 2D fast spin echo are reduced edema hyperintensity, reduced muscle signal, and higher motion sensitivity. WB\u2010SSFP's high resolution and contrast\u2010to\u2010noise ratio improved visualization of intradural nerve bundles, foraminal nerve roots, and extradural nerve bundles, improving detection of nerve compression in radiculopathy and spinal\u2010stenosis. WB\u2010SSFP's high resolution permitted reformatting into orthogonal planes, providing distinct advantages in gauging fine spine pathology. 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