25th July 2023

A 65-year-old man presents with right sided upper leg pain.

A 65-year-old man presents with right sided upper leg pain. An X-ray is taken of his right femur, which shows no acute fracture but osteolytic lesions. Routine blood tests are normal, apart from a notably raised ALP.

Given the most likely diagnosis, what urinary investigation would further support the diagnosis?

Select the SINGLE most appropriate option from the list below. Select ONE option only.