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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. 3 — Normal articular disk in a 6-year-old girl. a-c Proton density weighted (TR/TE 3,000/13 ms, a), fat-saturated T2-weighted (TR/TE 5,400/77 ms, b), and postcontrast fat-saturated T1-weighted (TR/TE 670/10 ms, c) fast spin echo images all show a normal biconcave shape of the articular disk and the posterior band (arrowheads) located at the 11 o’clock position of the mandibular condyle (c). Note normal joint enhancement (arrow in c) confined to small amounts of fluid in the anterior lower joint space (arrow in b) and mild flattening of the anterior portion of condyle. PD proton density, T1 fs Gd contrast-enhanced fat saturated T1-weighted, T2 fs fat saturated T2-weighted