Review Question - QID 213637

A 77-year-old woman presents to her primary care physician for a yearly checkup. During the visit, she says that over the last year she has been noticing increasing pain in her hands and knees while trying to perform normal activities. Specifically, she says that the pain is not as bad in the mornings but gets worse over the course of the day. Physical exam reveals joint tenderness and decreased range of motion in her knees bilaterally. In addition, she also has bony swellings of the proximal interphalangeal joints of both hands. Which of the following pathological findings would most likely be seen in this patient's knees?