Male 62 years old Reason: Left knee pain (superolateral) and instability for one month, no trauma. MENISCI: Medial and lateral menisci are intact.ARTICULAR CARTILAGE AND BONE: Marked thinning of the articular cartilage involving the lateral femoral condyle, but no focal cartilage defect. Mild irregularity of the medial facet of the patella.LIGAMENTS: Cruciate and collateral ligaments are intact. EXTENSOR MECHANISM: Extensor mechanism is intact.ADDITIONAL
No MRI findings to account for patient's symptoms. Extensive chondrocalcinosis involving the left knee on 8/27/2015 radiograph may account for patient's symptoms.