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Persistent bilateral sciatic artery: Report of a rare case
Michèle M Cowan1, Karam Mazen Hamweyah, Mohamed Diya Sabbagh
1Section of Anatomy, College of Medicine, Alfaisal University, Riyadh, Kingdom of Saudi Arabia.
Summary
Bilateral persistent sciatic arteries, a rare anatomical finding, were observed during a routine autopsy. This case highlights the sciatic artery
Area of Science:
- Anatomy
- Vascular Anatomy
- Human Anatomy
Background:
- The sciatic artery is a rare anatomical variant, typically regressing during fetal development.
- Previous reports have documented its presence as a continuation of the inferior gluteal artery.
Observation:
- During a routine dissection, bilateral persistent sciatic arteries were identified in a female cadaver.
- The profunda femoris artery was completely absent on both sides.
Findings:
- The persistent sciatic artery follows the course of the sciatic nerve, supplying the posterior thigh.
- It was observed to join the popliteal artery in the knee region.
Implications:
- This finding supports the significant role of the sciatic artery in fetal lower limb vascularization.
- Persistent sciatic arteries after birth may have considerable clinical relevance in vascular surgery and diagnostics.
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