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. 2017 Nov 13;48(3):411–426. doi: 10.1007/s00247-017-4000-0

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© The Author(s) 2017

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 14 — Mild synovial thickening (grade 1) and severe joint enhancement (grade 2) on sagittal oblique images in a 5-year-old boy. a There moderate flattening of condyle (*) and mild flattening of temporal bone (arrow) on T1-weighted image (TR/TE 300/4.2 ms, flip angle 80°, without fat saturation). b Fluid-sensitive, fat-saturated T2-weighted fast spin echo image (TR/TE 5,400/77 ms) shows tissue with intermediate signal intensity exceeding 1-mm width in lower joint space (arrow). c Postcontrast fat-saturated T1-weighted image (TR/TE 670/10 ms) shows high signal intensity (arrows) involving both the upper and lower joint compartments. T1-weighted, T2 T2-weighted, T2 fs fat saturated T2-weighted