Author | Series editor: Eric Bogner MD

The man, who is on dialysis, presented with pain in numerous joints at once. The images don't show signs of arthritis. Can you guess the diagnosis from descriptions of the findings?

In this case study, an elderly woman with pain in her left hip had asymptomatic myositis ossificans in the right. She had denied any trauma, which is the usual cause in the elderly.

An 82-year-old man presented with longstanding bilateral hip pain but no history of trauma.