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Related Experiment Videos

[Persistent sciatic artery: findings using spiral-CT].

C Michel1, C Marcus, C Clément

  • 1Service de Radiologie et d'Imagerie Médicale, Hôpital Robert Debré, CHU Reims, Avenue du Général Koenig, 51092 Reims Cedex.

Journal De Radiologie
|January 4, 2003
PubMed
Summary
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Persistent sciatic artery (PSA) is a rare condition where the embryonic artery fails to regress. This case highlights complete bilateral PSA in a man with leg ischemia, diagnosed via arteriography and CT scans.

Area of Science:

  • Vascular Anatomy
  • Embryology
  • Radiology

Background:

  • Persistent sciatic artery (PSA) is a rare congenital anomaly.
  • It arises from incomplete regression of the embryonic dorsal axial artery and poor superficial femoral artery development.

Observation:

  • A 68-year-old male presented with subacute right lower limb ischemia.
  • Arteriography revealed complete bilateral persistent sciatic arteries.
  • CT angiography with 3D reconstruction visualized the PSA course and ruled out aneurysms.

Findings:

  • The study identified complete bilateral persistent sciatic arteries in the patient.
  • Imaging confirmed the anatomical course of the PSA along the posterior thigh.
  • No aneurysmal complications were detected.

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Implications:

  • This case underscores the importance of recognizing PSA in patients with lower limb ischemia.
  • Advanced imaging like CT angiography is crucial for accurate diagnosis and surgical planning.
  • Understanding PSA anatomy is vital for managing vascular complications.