A young child with backache reveals a solitary collapsed dorsal vertebra with preserved intervertebral disk spaces and no evidence of soft tissue mass. The most likely diagnosis is?

Radiology

A young child with backache reveals a solitary collapsed dorsal vertebra with preserved intervertebral disk spaces and no evidence of soft tissue mass. The most likely diagnosis is?

All of the following form radiolucent stones except:

The usual radiographic appearance of an osteosarcoma is:

A middle aged female presents with slowly progressive weakness of lower limbs,…