29th April 2024

A 68-year-old woman presents with a history of bilateral knee pain that worsens with activity and improves with rest.

A 68-year-old woman presents with a history of bilateral knee pain that worsens with activity and improves with rest. She reports that the pain is worse at the end of the day and is associated with stiffness lasting less than 30 minutes in the morning. She has a BMI of 30 and a history of type 2 diabetes. On examination, there is crepitus in both knees with movement and mild swelling, but no warmth or redness.

X-ray of the knees: Joint space narrowing and osteophytes in both knee joints

Which is the most likely diagnosis?