Anatomical Variation of Iliolumbar Artery and its Clinical Significance

The iliolumbar artery (ILA) is a standard branch from the posterior division of the internal iliac artery. The variations and branching patterns of the iliolumbar artery (ILA) and its branches are very crucial for surgeons. Iliolumbar artery has the risk of injury in pelvic trauma and regional operations. The purpose of this study was to evaluate the origin of the ILA. Iliolumbar artery was observed in 30 sides in 15 cadavers (R-15, L-15) died in the age of 55-70 years used for routine dissection. The variation of arising, some asymmetry and gender differences of ILA were established.