A neonate is brought with history of not having passed meconium. On examination there is no anal opening but a dimple. Investigation of choice would be?

Radiology

A neonate is brought with history of not having passed meconium. On examination there is no anal opening but a dimple. Investigation of choice would be?

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,…