Figure 4

Several anatomical risks of SA. (a) A straight SA. (b) A spiral SA, as a risk factor for surgery, could significantly increase the rate of vascular injuries. (c) The splenic artery is of three-branched type. The middle and lower branches originate, but the upper pole branches originate from the middle parts of the splenic artery. (d) In this case, a huge splenic aneurysm was found in the superior branch of the splenic artery.