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Related Experiment Videos

Bilateral persistent complete sciatic artery.

J D Savov1, W A Wassilev

  • 1Department of Medicine, VA and Duke University Medical Center, Durham, North Carolina 27705, USA. jsavov@acpub.duke.edu

Clinical Anatomy (New York, N.Y.)
|December 9, 2000
PubMed
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A rare bilateral persistent sciatic artery (PSA) anomaly was identified in a cadaver, supplying the lower extremities. This anatomical variation can mimic symptoms and pose risks during surgical procedures.

Area of Science:

  • Anatomy
  • Vascular Anatomy
  • Human Anatomy

Background:

  • The persistent sciatic artery (PSA) is a rare congenital anomaly where the embryonic sciatic artery fails to regress.
  • This condition can be asymptomatic or present with various clinical manifestations, including claudication, aneurysms, or pseudoaneurysms.

Purpose of the Study:

  • To report a unique case of bilateral complete persistent sciatic artery found in a cadaver.
  • To describe the detailed anatomical course and variations of the persistent sciatic artery and its accompanying vein.
  • To highlight the clinical significance and potential complications associated with this anomaly.

Main Methods:

  • Gross anatomical dissection of a 65-year-old female cadaver during a medical gross anatomy course.
  • Detailed observation and documentation of the arterial and venous vascular supply to the lower extremities.

Related Experiment Videos

  • Macroscopic examination of the persistent sciatic artery, its origin, course, branches, and relationship with the sciatic nerve.

    • Main Results:

    • A bilateral and complete persistent sciatic artery was identified, originating from the internal iliac artery.
    • The artery traversed the infrapiriform foramen, descended posterior to the sciatic nerve, and continued as the popliteal artery.
    • Hypoplastic superficial and deep femoral arteries were noted, with no connections to the persistent sciatic artery.

    Conclusions:

    • The persistent sciatic artery is a significant anatomical variant with important clinical implications.
    • Awareness of this anomaly is crucial for diagnosing conditions like sciatic or buttock pain and pulsatile masses.
    • The PSA can pose risks during orthopedic and other surgical interventions in the hip and thigh regions.