Elevation of which of the following metabolite in MR Spectroscopy suggests a possibility of carcinoma prostate?

Radiology

Elevation of which of the following metabolite in MR Spectroscopy suggests a possibility of carcinoma prostate?

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,…