Subminute Fat-Water-Separated Dual-Echo Automated Spine Survey Iterative Scan Technique

We developed and tested an automated sub-minute 3D dual-echo MR imaging technique producing fat-water color-encoded labeled images of the entire spine. Twenty-one subjects were scanned with the 2-point Dixon technique utilizing 2 contiguous 21-22 second breath-hold sagittal acquisitions. Fourteen al...

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Bibliographic Details
Published in:American journal of neuroradiology 2009-11, Vol.30 (10), p.1840-1846
Main Authors: Weiss, K.L, Richards, C.R, Sun, D, Weiss, J.L
Format: Article
Language:English
Subjects:
Adipose Tissue - pathology
Adolescent
Adult
Aged
Biological and medical sciences
Female
Humans
Imaging, Three-Dimensional - methods
Intervertebral Disc - pathology
Intervertebral Disc Displacement - pathology
Investigative techniques, diagnostic techniques (general aspects)
Magnetic Resonance Imaging - methods
Male
Medical sciences
Middle Aged
Nervous system
Prospective Studies
Radiodiagnosis. Nmr imagery. Nmr spectrometry
Spinal Diseases - pathology
Spine
Spine - pathology
Water
Young Adult
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Summary:We developed and tested an automated sub-minute 3D dual-echo MR imaging technique producing fat-water color-encoded labeled images of the entire spine. Twenty-one subjects were scanned with the 2-point Dixon technique utilizing 2 contiguous 21-22 second breath-hold sagittal acquisitions. Fourteen alternating subject scan sessions were achieved in 58 minutes. In all cases, fat-water separation was homogenous over the 70 cm FOV; in 2 lower stations fat/water assignments were reversed. Rapid automated fat-water decomposition spine screening is a promising technique.
ISSN:0195-6108
1936-959X
DOI:10.3174/ajnr.A1619