Male, 60 years old. Evaluate for ligament injury or quadraceps/sartorious tendon or distal muscle belly tear. History of knee pain and swelling. MENISCI: There is mild fraying of the free margin of the posterior horn of the medial meniscus, otherwise the medial and lateral menisci are intact.ARTICULAR CARTILAGE AND BONE: There is surface fraying of the medial facet of the patella. There is thinning of the articular cartilage of the lateral femoral condyle and full-thickness fraying of the articular cartilage of the medial femoral condyle. No bone marrow edema or evidence of fracture. LIGAMENTS: The cruciate and collateral ligaments are intact. EXTENSOR MECHANISM: There is near full-thickness tear of the quadriceps tendon which is detached at the patella with only the deep layer remaining intact. There is retraction of the tendon measuring approximately 2 to 3 cm. There is moderate to severe tendinosis of the quadriceps tendon. The patellar tendon is intact.ADDITIONAL
1. Near full-thickness tear of the quadriceps tendon with retraction.2. No evidence of fracture.3. No significant ligamentous or meniscal injury.