Variation of the Lateral Sacral Artery in relation to Sciatic Neuropathy

Figure 6

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