Coronal inversion recovery (A) demonstrates symmetric abnormal hyperintense signal within the bilateral distal femoral metaphyses (arrows) in A with corresponding.

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Coronal inversion recovery (A) demonstrates symmetric abnormal hyperintense signal within the bilateral distal femoral metaphyses (arrows) in A with corresponding T1 hypointensity (arrows in B) and adjacent periostitis (arrowheads). Coronal inversion recovery (A) demonstrates symmetric abnormal hyperintense signal within the bilateral distal femoral metaphyses (arrows) in A with corresponding T1 hypointensity (arrows in B) and adjacent periostitis (arrowheads). Also note the abnormal signal within the soft tissues adjacent to the distal femurs. Andrew Nastro et al. Pediatrics 2019;144:e20182824 ©2019 by American Academy of Pediatrics