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. 2021 Jun 11;12:21514593211015104. doi: 10.1177/21514593211015104

Figure 7.

Figure 7.

Endocortical callus formation A, There are some callus on fracture site, but we can see just blurred image at preoperatively. B, For 4 weeks since the PEIN, the radiograph shows ongoing bone healing process, and we can see endocortical callus at the medial side of fracture line. Callus is becoming more radiopaque as a cortical bone’s signal and “completely connecting” the endocortical area.