Review Question - QID 220161

A 7-year-old girl presents with a 3-day history of worsening fever and left hip pain. She recalls falling onto her left hip during a soccer game earlier in the week but brushed it off and kept playing. She has a temperature of 39 degrees Celsius and is only able to bear minimal weight on the left leg due to pain. CRP is 13.2 mg/dL (normal <2.0), ESR 52 mm/h (normal <20), and WBC 15.1 (normal <10.0). An ultrasound of the left hip reveals an effusion and the hip is aspirated. Which of the following micrographs represents the most common causative organism of this condition?