Feature Question

(OBQ09-141) A 2-year and 11-month old child fell while playing with friends 2 hours ago and has avoided bearing weight on the right leg since that time. The child is afebrile and exam reveals tenderness along the distal tibial shaft with no significant swelling. Radiographs are shown in Figure A and B. What is the most appropriate treatment? REVIEW TOPIC
FIGURES: A   B        

1. MRI of the tibia
2. Aspiration of the tibia
3. Referral to child services
4. Long leg cast application
5. Serum vitamin D, calcium, and phosphate levels