Feature Question

(OBQ06-208) A 47-year-old female presents with a pulsatile mass in the palm of the hand and intermittent paresthesias a few weeks after a traumatic laceration in a kitchen accident. A contrast-enhanced MRA of the mass is seen in Figure A. What is the most appropriate treatment? REVIEW TOPIC
FIGURES: A          

1. Aspiration
2. Surgical exploration
3. Compression bandage
4. Steroid injection
5. Strict elevation and observation