22 year old male presents with bony mass in the metaphyseal region of right knee with typical sun ray appearance and CT Scan of the chest reveals osteoblastic metastases. What is the most probable diagnosis?

Orthopaedics

22 year old male presents with bony mass in the metaphyseal region of right knee with typical sun ray appearance and CT Scan of the chest reveals osteoblastic metastases. What is the most probable diagnosis?

What is the use of the given instrument:

Which fracture results in the given deformity?

Positive pivot shift test in knee is because of injury to -