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. 2018 Jul 23;19:248. doi: 10.1186/s12891-018-2162-z

Fig. 4.

Fig. 4

Anteromedial facet fracture with varus instability. a Plain radiograph. b Three-dimensional computed tomography image showing a large coronoid fragment. c Postoperative anteroposterior radiograph. d Postoperative lateral radiograph; the white arrow shows retrograde screw fixation of a coronoid base fracture. e Patient photo at 10 weeks after surgery showing good range of motion