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Persistent sciatic artery and vein: an unusual case.

J F Golan, W V Garrett, B L Smith

Journal of Vascular Surgery

|January 1, 1986

Summary

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This study reports the first case of bilateral persistent sciatic arteries, a rare vascular anomaly. This unique anatomy enabled surgical removal of a femoral nerve tumor without arterial reconstruction.

Area of Science:

Vascular Surgery
Medical Imaging
Anatomical Variations

Background:

Persistent sciatic artery is a rare congenital anomaly where the sciatic artery fails to regress during embryonic development.
It is characterized by the persistence of the embryonic sciatic artery as a major artery of the lower limb.
This condition is infrequently reported, with limited cases in medical literature.

Observation:

The study presents the first documented case of bilateral persistent sciatic arteries.
The patient also exhibited normally developed superficial femoral arteries, a unique anatomical configuration.
A concurrent venous anomaly was also noted, facilitating surgical intervention.

Findings:

The presence of bilateral persistent sciatic arteries and normal superficial femoral arteries allowed for the successful resection of a malignant femoral nerve schwannoma.

Related Experiment Videos

The superficial femoral artery was removed without the need for arterial reconstruction due to the persistent sciatic arteries providing adequate lower limb perfusion.

The coexisting venous anomaly ensured unimpeded venous outflow during the surgical procedure.

Implications:

This case highlights the importance of recognizing rare vascular anomalies for surgical planning.
The unique anatomy presented an opportunity to manage a malignant tumor without complex vascular reconstruction.
Understanding such anatomical variations can lead to innovative surgical approaches and improved patient outcomes in complex cases.