Persistent sciatic artery. Case report.
A case of a persistent sciatic artery in a 60-year-old Japanese man is reported. The right persistent sciatic artery (5 mm in diameter) was joined to the internal iliac artery proximally and to the popliteal artery distally. The terminal vessel of the femoral artery (3 mm in diameter) was connected to the sciatic artery at the popliteal fossa.