PMC10090349_01
Preoperative and postoperative data of patient No.4. (A,B). Preoperative X-ray; the avulsion fracture (red arrow). (C,D). Postoperative X-ray. (E,F). Postoperative appearance.
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F2
X-ray examination was performed to confirm the diagnosis of bony mallet finger (Figures 2A,B). The next day, the patient was treated with the new technique under fluoroscopy (Figures 2C,D). Postoperative X-ray examination was performed (Figures 2E,F).
Follow-up of patient No. 4. (A,B). X-ray at 6 weeks postoperatively. (C,D). X-ray at 22 weeks postoperatively. (E,F). Finger appearance at 22 weeks.
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F3
X-ray at the outpatient clinic every 2 weeks. X-ray examination 6 weeks later showed that the fracture had healed and the K-wires were removed (Figures 3A,B). The recovery of finger function was evaluated at the last follow-up (Table 1 Patient No. 4, Figures 3C-F).
PMC10090349_02
Preoperative and postoperative data of patient No.7. (A,B). Preoperative X-ray. (C,D). Postoperative X-ray. (E,F). Postoperative appearance.
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F4
X-ray examination was performed to confirm the diagnosis of bony mallet finger (Figures 4A,B). The next day, the patient was treated with the new technique under fluoroscopy (Figures 4C,D). Postoperative X-ray examination was performed (Figures 4E,F).
Follow-up of patient No.7. (A,B). X-ray at 8 weeks postoperatively. (C,D). X-ray at 24 weeks postoperatively;malunion (red arrow). (E,F). Finger appearance at 24 weeks; extension deficit (red angle).
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F5
When she returned to the hospital, X-ray examination showed that the fracture had healed, but the rubber band was relaxed (Figures 5A,B). The distal phalanx of the patient had a malunion and the finger of the patient had an extension deficit (Figures 5C-F).