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. 2008 Jun 27;466(10):2507–2512. doi: 10.1007/s11999-008-0266-8

Fig. 4A–E.

Fig. 4A–E

Deformities of the femoral head of (A) 50%, (B) 54%, (C) 60%, (D) 64%, and (E) 71% and the associated roundness index are shown. As deformation of the femoral head increases, the top of the femoral head moves laterally. The black square shows the top of the femoral head. (Published with permission from Okano K, Enomoto H, Harada S, Ito S, Doiguchi Y, Shindo H. [Clinical results of rotational acetabular osteotomy (RAO) for advanced osteoarthritis of the hip: evaluation of the shape of the femoral head.] Hip Joint. 2003;29:102–108.)