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. 2023 Feb 28;11(2):23259671231152868. doi: 10.1177/23259671231152868

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© The Author(s) 2023

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 License (https://creativecommons.org/licenses/by-nc-nd/4.0/) which permits non-commercial use, reproduction and distribution of the work as published without adaptation or alteration, without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 2. — Upsloping lateral sourcil (ULS). (A) A ULS is a caudal-to-cranial inclination of the middle to far lateral aspect of the acetabular sourcil with loss of the normal lateral acetabular concavity on an anteroposterior pelvis radiograph. This can be visualized on (B and C) computed tomography as well as (D) magnetic resonance imaging.