Atlas of MRI findings of sacroiliitis in pediatric sacroiliac joints to accompany the updated preliminary OMERACT pediatric JAMRIS (Juvenile Idiopathic Arthritis MRI Score) scoring system: Part I: Active lesions

Nele Herregods, Walter P. Maksymowych, L. Jans, Tarimobo M. Otobo, Iwona Sudoł‐Szopińska, AB Meyers, MAJ van Rossum, Eva Kirkhus, Jyoti Panwar, Simone Appenzeller, Pamela F. Weiss, SML Tse, AS Doria, R.G.W. Lambert, J. L. Jaremko