A 67-year-old female presented to the hospital, complaining of knee pain and difficulty in walking. 16 years ago, she was treated with cast and immobilization for trauma. She was evaluated with an X-ray and blood tests.

Figure (L-R): Knee X-ray AP, Knee X-ray Lateral * This case is from Docplexus Editorial Team for educative purpose only. Source: Apollo Hospitals  Stay connected, the answer will be posted soon!