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. 2020 Mar 24;15:116. doi: 10.1186/s13018-020-1565-3

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© The Author(s). 2020

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — The radiographic outcomes of a 36-year-old man with a long history of drinking and was diagnosed as left femoral head necrosis at Ficat II stage. A1–A5 The patient has early femoral head necrosis evaluated by X film and MRI respectively. B1–B3 The X film of 3 days after the operation. It shows that the femoral head is in normal shape and the grafted fibula integrates tightly in the channel. C, D The images at 1 and 4 months after the operation, respectively. E1–E3 The images at 2 years after the operation. F1–F3 The images at 5 years after the operation, which shows the stability of the articular cartilage and femoral head. G1–G3 The images at 8.2 years after the operation. The femoral head is not progressed and keeps in good shape. The left femoral head was in Ficat I stage and the Harris score was 90 at the last follow-up