10 year old present with ankle pain. X-ray has Lytic Lesion with sclerotic rim at calcaneum. Following HPE findings were seen. What is your diagnosis:

Orthopaedics

10 year old present with ankle pain. X-ray has Lytic Lesion with sclerotic rim at calcaneum. Following HPE findings were seen. What is your 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 -