Review Question - QID 210781

A 33-year-old woman presents to the emergency department for sudden joint pain. She states that the pain started several hours ago and has been worsening. The pain is localized to the knee and is preventing her from walking. The patient has a past medical history of diabetes and was in a car accident 1 week ago. She is currently taking insulin, lisinopril, and hydrochlorothiazide. Her temperature is 99.4°F (37.4°C), blood pressure is 137/78 mmHg, pulse is 100/min, respirations are 15/min, and oxygen saturation is 99% on room air. Physical exam is notable for a hot and painful right knee. The patient is unable to demonstrate her gait on exam. Passive range of motion elicits severe pain in the right knee. A radiograph is ordered as seen in Figure A. Which of the following is most likely also to be seen in this patient?