Hi, welcome to our site. I am Dr Saumya Mittal. Read your query. That is a very significant question and i appreciate your problem. I will try my best to answer your query I think you need to get an x ray of the leg. you see such a long standing pain may actually be due to some internal damage. of course diabetes affects the wound healing, but not so much if it is well controlled. the wounds (internal or external) take longer to heal, thats a known fact about diabetes. besides i should warn you. you need to be more careful about your legs, diabetics develop neuropathy. so when they develop an injury, they very frequently do not realize it, and so have lots of complications secondary to this. have your sugars checked regulaly I hope this helps you. Inform the reports mentioned above so i can be of help further. Best of luck. I have given you the answer to the maximum considering the information provided. The results of the tests could further enhance my answer to you. Please do understand that some details could be extracted from a detailed history and examination. Looking forward to your return query with the details asked so that I can help you further. (If the answer has helped you, please indicate this)