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. 2016 Dec 18;2016:1457219. doi: 10.1155/2016/1457219

Figure 2.

Figure 2

(a) Sagittal computed tomography image. The yellow line indicates the transarticular surface screw trajectory. (b) The red circle indicates the insertion point of the TASS in the coronal view. (c) R-CIV: right common iliac vein; L-CIV: left common iliac vein; RL10: trajectory 10° lateral to the insertion point; RL-10: trajectory 10° medial to the insertion point on the right side. LL10 and LL-10 are consistent with the same definitions on the left side. (d) RL0 trajectory straight and perpendicular to a horizontal line from the insertion point. DR and DL indicate the distance between the nearest wall of the CIV and the anterior wall of the S1 vertebra on the right and left side, respectively.