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Persistent sciatic artery: two case reports with emphasis on embryologic development.

D L Donovan, W V Sharp

    Surgery
    |March 1, 1984
    PubMed
    Summary
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    Persistent sciatic artery, a rare condition where the embryonic sciatic artery remains in adults, is discussed. This report details two new cases and reviews embryologic development, diagnosis, and treatment of this lower extremity arterial anomaly.

    Area of Science:

    • Vascular anatomy
    • Embryology
    • Human anatomy

    Background:

    • The sciatic artery is the primary embryonic source of blood to the lower limb.
    • The femoral artery typically replaces the sciatic artery during development.
    • Persistence of the sciatic artery in adults is exceptionally rare.

    Observation:

    • This report presents two new cases of persistent sciatic artery in adults.
    • A review of embryologic development of the lower extremity arterial system is included.
    • Associated clinical problems and their management are discussed.

    Findings:

    • Persistent sciatic artery is a rare vascular anomaly with fewer than 35 reported cases globally.
    • Embryologic review clarifies the developmental pathway leading to this anomaly.

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  • Diagnosis and treatment strategies for associated complications are outlined.
  • Implications:

    • Increased awareness of this rare anomaly is crucial for accurate diagnosis.
    • Understanding embryologic origins aids in identifying at-risk individuals.
    • Effective management strategies can improve patient outcomes for this rare vascular condition.