27th February 2025

A 19-year-old reports shooting pains down his left leg for the last few weeks, with associated lower back pain.

A 19-year-old reports shooting pains down his left leg for the last few weeks, with associated lower back pain. He has also recently been diagnosed with sensorineural hearing loss. You note a chest X-ray from a year prior, shown below.

What is the most likely diagnosis?

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