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. 2023 Mar 29;29(2):390–395. doi: 10.5152/dir.2022.211018

Figure 2.

Figure 2

A 17-year-old girl with multiple hereditary exostoses (osteochondromatosis). Coronal T2-weighted magnetic resonance images with fat saturation (a, b) show bilateral sacroiliac joint osteochondromas (asterisks), all but one ilium-based (the inferior osteochondroma on the left is sacrum-based). Note cartilage caps on intra-articular (solid arrows) and extra-articular (dashed arrows) osteochondromas. Note also the left-sided pseudoarthrosis (arrowhead) of a lumbosacral transitional vertebra.