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. 2010 Apr 2;469(1):264–273. doi: 10.1007/s11999-010-1332-6

Fig. 1A–I.

Fig. 1A–I

These images illustrate the different types of insufficient bone regenerate that we observed with intramedullary femoral lengthening. (A) Anteroposterior and (B) lateral radiographs and (C) a CT scan obtained 24 months after lengthening show partial failure of regenerate formation (Type I) with a partial defect in the anterolateral cortex of the femur. (D) Anteroposterior and (E) lateral radiographs obtained at 5-month followup after 2.5-cm femoral lengthening show complete failure of regenerate formation with a segmental defect less than 3 cm (Type IIa). (F) Axial and (G) coronal CT scans show complete failure of regenerate formation with a segmental defect. (H) Anteroposterior and (I) lateral radiographs obtained at 2-month followup after 6-cm intramedullary femoral lengthening show complete failure of bone regenerate formation and a complete bony defect greater than 3 cm (Type IIb).