Patient History: A 63-year-old man with insulin-dependent diabetes mellitus attends the emergency department complaining of pain affecting his right knee. There is no history of significant trauma. On further questioning, he had noticed that while gardening a few days previously, he sustained a small graze to the skin in that area. Physical Examination: On examination, he is febrile (temperature 37.8°C), his blood pressure is 160/86 mm Hg and his pulse rate is 96/min. Examination of his right knee reveals a red swollen joint that is tender.
Attempting to move his knee both actively and passively results in severe pain. There is no abnormality to be found on examining his right ankle or hip. Laboratory Findings What is the likely diagnosis? What should the initial management involve? *This case is from Docplexus Editorial Team for educative purpose only Source: 100 Cases in Surgery
