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. 2017 Feb 10;10(1):1–9. doi: 10.1007/s12178-017-9395-6

Fig. 4.

Fig. 4

Left middle bony mallet involving a large portion of the articular surface (a). Treated with extension block pinning (b). Radiographic evidence of healing 10 weeks postoperatively (c). The patient was able to resume piano without any difficulties (d)