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Bilaterally persistent sciatic arteries.

A Ukeshima1, R Yoshimura, N Wake

  • 1College of Medical Science, Kumamoto University, Japan.

Okajimas Folia Anatomica Japonica
|May 1, 1990
PubMed
Summary
This summary is machine-generated.

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A rare bilateral persistent sciatic artery, a vascular anomaly, was identified in an 89-year-old female cadaver. This anatomical variation involved the sciatic arteries arising from the internal iliac arteries and smaller femoral arteries.

Area of Science:

  • Anatomy
  • Vascular Biology
  • Developmental Biology

Background:

  • The sciatic artery is typically a transient embryonic vessel that usually regresses during development.
  • Persistent sciatic arteries are rare congenital vascular anomalies with varying clinical presentations.

Purpose of the Study:

  • To report a rare case of bilateral persistent sciatic arteries found incidentally during a cadaveric dissection.
  • To describe the anatomical course, branching pattern, and associated vascular anomalies.

Main Methods:

  • Cadaveric dissection of an 89-year-old female.
  • Gross anatomical examination and measurement of the persistent sciatic arteries and associated vessels.
  • Documentation of any co-existing anatomical variations.

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Main Results:

  • Bilateral persistent sciatic arteries originating from the internal iliac arteries were observed.
  • These arteries measured approximately 10 mm in diameter and supplied the gluteus maximus and thigh flexor muscles.
  • The femoral arteries were hypoplastic, with the terminal portions connecting to the persistent sciatic arteries at the popliteal fossa.
  • A unilateral superficial brachial artery was also noted as an additional anomaly.

Conclusions:

  • This case highlights the significant anatomical variations that can occur in the human arterial system.
  • The presence of bilateral persistent sciatic arteries, along with hypoplastic femoral arteries and a superficial brachial artery, underscores the importance of detailed anatomical knowledge for clinical practice and research.