Treatment of Chronic Bony Mallet Fingers by Dorsal Extension Block Pinning with Percutaneous Curettage

Figure 2

Case 7: lateral view radiographs of a 16-year-old boy. (a) Radiograph of the injury. (b) Radiograph after the previous surgery at another hospital. (c) Bone union was not achieved 10 weeks after the initial surgery. (d) Radiograph at 33 weeks showing the dislocation of a bone fragment. (e) Postoperative radiograph at our hospital at 49 weeks after the injury. (f) Bone union was achieved at 50 weeks after the second surgery. Although bone union was achieved, extension loss persisted. The radiograph shows mild osteoarthritis of the DIP joint.

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