Unusual case of shoulder arthritis - the answer to yesterday's question

A 50 year old patient came in with right shoulder pain and a history of having lost 6 inches in height over the last several years. Here are the x-rays of the shoulder

And here is a lateral of the spine.

At the time of shoulder arthroplasty, the humeral head looked like this

Hint: patient's urine turns black

What is the diagnosis?

Answer: Alkaptonuria/ochronosis
see this link

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The reader may also be interested in these posts:

Healing through joint replacement

Supporting progress in shoulder surgery

Consultation for those who live a distance away from Seattle.

Click here to see the new Shoulder Arthritis Book.

Click here to see the new Rotator Cuff Book

Information about shoulder exercises can be found at this link.

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