Intrapelvic Migration of the Lag Screw in Intramedullary Nailing

Figure 4

Contrast-enhanced computed tomography showing the lag screw located deep in the pelvis, between the internal and external iliac vessels, and tangent to the bladder and sigmoid. (a) Axial view (arrow: lag screw), (b) coronal view, and (c) reconstruction 3D image (EIA: external iliac artery, IIA: internal iliac artery).

(a)

(b)

(c)