Severe right hip pain.

While this patient had osteoporosis, she hadn't experienced any recent trauma or falls that would explain her pain.

Meniscal root entrapment of an osteochondritis dissecans loose body.

Loose bodies are relatively common in the knee. On radiographs they can often be seen in the medial and lateral gutters, intercondylar notch, and the posterior compartment. At times an apparent loose body is not free to move in the knee because it has been covered by synovium and is no longer mobile.