Variation of the Lateral Sacral Artery in relation to Sciatic Neuropathy

Figure 4

Lateral sacral artery arising from the anterior trunk of the internal iliac artery (IIA: internal iliac artery; AT: anterior trunk; PT: posterior trunk; UMA: umbilical artery; UTA: uterine artery; OA: obturator artery; GPT: gluteopudendal trunk; IGA: inferior gluteal artery; IPA: internal pudendal artery; SGA: superior gluteal artery; LSA: lateral sacral artery).