An 8-year-old boy presents with a gradually progressing swelling and pain since 6 months over the upper tibia. On x-ray, there is a lytic lesion with sclerotic margins in the upper tibial metaphysis. The diagnosis is –

Orthopaedics

An 8-year-old boy presents with a gradually progressing swelling and pain since 6 months over the upper tibia. On x-ray, there is a lytic lesion with sclerotic margins in the upper tibial metaphysis. The diagnosis is –

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 -