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. 2018 May 1;48(8):1086–1095. doi: 10.1007/s00247-018-4136-6

Fig. 6.

Fig. 6

Normal variations of acetabular anatomy are demonstrated on an anteroposterior pelvic radiograph in two children with juvenile idiopathic arthritis. a Radiograph in a 10-year-old boy shows a small defect at the lateral aspect of the acetabular roof (arrow). b Radiograph in a different 10-year-old boy shows mild sclerosis at the lateral and weight-bearing areas of the acetabular roof (arrow)