Hamid Akbari is a 64-year-old man with a history of diabetes mellitus comes to your office with an ulcer on his left leg below the knee for the last two weeks. He has had ulcerations of the skin of his legs intermittently for several years that all resolved with local care and generally have not been painful. He said that this time his ulcer has been painful for the last two weeks and he feels weak and tired since he develops this ulcer. In physical exam, the ulcer area is erythematous, warm and tender. His temperature is 37.4°C (99.3°F). Required:
Based on Hamid’s clinical history and physical finding, what would be your diagnosis? What additional information/assessments may help to confirm your diagnosis?