Fig. 5

Typical cases from observation group (A-G) and control group (H-K). A, Preoperative X-ray and CT films (B) of the pelvis from one case in observation group. C, Schematic diagram of the bone cement cannula implanted into the desired position. D, Schematic diagram of hollow nail implanted into the place of cement reinforcement. E, Post-operative X-ray and CT films (F) of the pelvis from that case in observation group. G, Post-operative holistic CT radiograph from that case in observation group. H, Preoperative X-ray film and post-operative X-ray film (I) from one case in control group. J, Post-operative CT plain scan of pelvis from that case in control group. K, Post-operative CT reconstruction of the pelvis from that case in control group