A false aneurysm of the profunda femoris artery occurred after metal-on-met
al total hip arthroplasty in 70-year-old woman. Al 39 days after the operat
ion, the wound suddenly opened, and a large hematoma was discharged. Eleven
tornade coils were inserted into the base of the false aneurysm, and the b
leeding was arrested. The prevention and management of this complication ar
e discussed.