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. 2015 Jul 20;10(7):e0132678. doi: 10.1371/journal.pone.0132678

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© 2015 Zhang et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 1 — (a). DSA of the anterior division of left internal iliac artery performed with same-side anterior oblique projection (30°). The straight arrow marks the superior vesical artery, the thick arrow marks the left prostatic artery (PA), dotted arrow marks the internal pudendal artery, and the open arrow marks the accessory pudendal artery. Prostate gland opacification is seen inside the dotted circle. (b). Coronal Cone-beam CT performed after selective catheterization of the anterior division of left internal iliac artery. The curved arrow marks the left PA, the straight arrow marks the superior vesical artery, and the thick arrow marks the internal pudendal artery. The prostate gland perfusion is seen inside the dotted circle. The left PA originates from the anterior common gluteal-pudendal trunk. (c). Coronal Cone-beam CT performed after selective catheterization of the left PA. The PA bifurcates into anterior/lateral (curved arrow) and inferior vesical artery (dotted arrow), and the straight arrow marks the superior vesical artery. The prostate gland perfusion is seen inside the dotted circle. The image showed that the left PA vascularizing majority of the prostate gland. (d). Axial cone-beam CT performed after selective catheterization of the left PA (straight arrow). The curved arrow marks the anterior/lateral PA. The prostate gland perfusion is seen inside the dotted circle. (e). DSA of the anterior division of right internal iliac artery performed with same-side anterior oblique projection (30°). The straight arrow marks the right PA, the dotted arrow marks the anterior/lateral branch of the right PA, the curved arrow marks the internal pudendal artery, and the thick arrow marks the inferior gluteal artery. Prostate gland opacification is seen inside the dotted circle. (f). Coronal Cone-beam CT performed after selective catheterization of the anterior division of right internal iliac artery. The straight arrow marks the right PA had a superior origin from the internal pudendal artery (thick arrow), the curved arrow marks the rectal artery. The right PA originates from the internal pudendal artery. (g). Coronal Cone-beam CT performed after selective catheterization of the right PA. The PA bifurcates into anterior/lateral (straight arrow) and posterior/lateral PAs (thick arrow) with anastomoses to the internal pudendal artery (dotted arrow) rendering potential nontarget embolization with small-sized embolic particles. The prostate gland perfusion is seen inside the dotted circle. The imaging showed that the right PA vascularized minority of the prostate gland. (h). Axial Cone-beam CT performed after selective catheterization of the right PA. The straight arrow marks the PA anastomoses to the internal pudendal artery, and the thick arrow marks the rectum. The prostate gland perfusion is seen inside the dotted circle. In this case, anastomosis occlusion with micro-coils prior to PAE is a better option.