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. 2023 Jul 31;59(Suppl 1):e94–e97. doi: 10.1055/s-0042-1758365

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The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution 4.0 International License, permitting copying and reproduction so long as the original work is given appropriate credit ( https://creativecommons.org/licenses/by/4.0/ )

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2 — Intraoperative photography. (A) Ellipsoid femoral head with wear in the central portion. The sections referred to the reduction osteotomy of the femoral head. (B) We reduced the femoral head by removing the central bone block, leaving it with a more spherical shape.