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Fig. 1

For anterior column fixation, the screw direction is anterior to posterior from the AIIS to the inferior aspect of the greater sciatic notch. Iliac oblique view show optimal depth and confirm that the greater sciatic notch has not been violated.

Fig. 2

For posterior column fixation, the screw direction is inferior to superior from ischial tuberosity to the sciatic buttress. Pelvic lateral image and iliac oblique view confirms that the jont has not been violated.

Fig. 3

(A) A 59 year-old woman sustained both column open pelvic bone fracture.

(B) Through open wound, three anterior column screws were fixed. After 2 year follow-up, solid bony union was achieved and clinical score was graded to fair.

Fig. 4

(A) A 47 year-old women complained of right hip pain and limping. Preoperative X-ray and CT scan show acetabular nonunion.

(B) Using a limited ilioinguinal approach, bone graft and 3 anterior column fixation was carried out. The patient showed satisfactory result after 2 year follow-up.

Fig. 5

In the transverse fracture, supra-acetabular region has the cross-sectional bone area best suited to lag screw fixation. It can be seen that the screw would work best running from the ASIS to the greater sciatic notch.

Fig. 6

In the transverse fracture, posterior column was fixed with antegrade Steinmann pin during ilioinguinal approach.

Figure & Data

REFERENCES

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