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AJNR - American Journal of Neuroradiology

Published ahead of print on January 8, 2009
doi: 10.3174/ajnr.A1430

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Pediatric MR Imaging with Automated Spine Survey Iterative Scan Technique (ASSIST)

K.L. Weiss^a, D. Sun^a,b and J.L. Weiss^c

^a Department of Radiology, University of Cincinnati, Cincinnati, Ohio
^b Beijing Jiaotong University, Beijing, Peoples Republic of China
^c Division of Research, WestImage, Cincinnati, Ohio

View larger version (128K): [in this window] [in a new window]   Fig 1. Midline sagittal ASSIST (from left to right). A, A 7-year-old boy with ADHD demonstrating mild motion artifacts. B, A 9-year-old boy with Asperger syndrome. Diaphragmatic contour (arrow) is well defined, suggesting good breath-hold. C, A 10-year-old girl with developmental delay and short stature. Diaphragmatic contour (arrow) is well defined, suggesting good breath-hold. D, A 12-year-old girl with prominent scoliosis. Examination resulted in autolabeling failure. E, A 16-year-old adolescent boy with mild Scheuermann disease at T6-T8 (arrows) and L4 superior endplate deformity (arrow). F, A 17-year-old adolescent boy with lumbarized S1 (L6) vertebrae (closed arrow) and enlarged pituitary gland (open arrow). G, An 18-year-old woman with mild kyphoscoliosis.

View larger version (102K): [in this window] [in a new window]   Fig 2. Midline sagittal ASSIST lower station in a 16-year-old adolescent boy (same subject as in 1E). From left to right, autolabeled out-of-plane FGE (TR, 57 ms; TE, 1.4 ms; flip angle, 30°; bandwidth, ± 62.5 kHz; matrix, 512 x 352; breath-hold, 21 sec), IDEAL T2 FSE (TR, 2050 ms; TE, 61.7 ms; ETL, 9; bandwidth, ± 25 kHz; matrix, 512 x 288; 3.33 minutes).

View larger version (69K): [in this window] [in a new window]   Fig 3. Left of midline sagittal ASSIST upper station (10 mm) in a 9-year-old boy (same subject as in 1B). Note vertically oriented neurocentral synchondrosis visualized on this image from T2 (upper arrow) to T11 (lower arrow).