Fig. 1From: Pediatric-onset limited ANCA-associated vasculitis arising during pre-existing chronic recurrent multifocal osteomyelitisSagittal oblique fat saturated post open mouth MRI showing T2 hyperintense lesion with enhancement in the subchondral bone extending to the articular cartilage. An additional more ill-defined 6.8 × 7.5 mm lesion is seen anteriorly in the base of the coronoid processBack to article page