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. 2020 May 25;21:9. doi: 10.1186/s10195-020-00547-7

Fig. 3.

Fig. 3

a Early postoperative ankle radiograph of 21-year-old male patient with isolated medial malleolar fracture. Fracture fixed with two bioabsorbable Mg screws. Note gas both in soft tissue and around screws (white arrows); b Coronal and c axial CT taken at first-month follow-up showed gas formation around screws and scattered throughout cancellous bone (white arrows); d AP ankle radiograph at first-year follow-up, almost no gas accumulations were seen. d Coronal and e axial CT taken at first-year follow-up confirmed almost total absorption of released gas