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. 2022 Aug 9;52(9):1601–1614. doi: 10.1007/s00247-022-05396-6

Fig. 9.

Fig. 9

Solid variant aneurysmal bone cyst of the right radius in a 9-year-old girl. a An anteroposterior radiograph of the right wrist shows an expansile, lytic lesion (asterisk) involving the distal diaphysis of the radius. The lesion is geographical with endosteal scalloping and a sclerotic border (arrows). Minimal nonaggressive periosteal reaction is present proximally. b A coronal T1-weighted magnetic resonance (MR) image shows the lesion (asterisk) as solid and expansile with a slightly hyperintense parenchyma compared to muscle (M) and a sclerotic border (arrows). c A coronal fat-suppressed T2-weighted MR image shows the expansile lesion (asterisk) as heterogeneous in signal but predominantly hypointense. Note the adjacent bone marrow edema (e). d A coronal fat-suppressed, contrast-enhanced, T1-weighted MR image shows patchy, heterogeneous contrast enhancement (asterisks) by the lesion (arrows) and by the adjacent bone marrow edema (e)