A 32-year-old woman presented with severe joint pain and inability to walk. Recently, she made a dietary shift from vegetarian to a vegan diet. Earlier, she was physically active and walked for 5 miles a day. No findings were presented from her biochemical investigations.

What is the probable diagnosis? Stay connected, the answer will be posted soon   *This patient case is from Docplexus Editorial Team for educative purpose only. Source: Diet And Nutrition Studies, Wiley Online Library