Part I: Imaging Techniques -- Radiography -- Computed Tomography (CT) and CT Arthrography -- Magnetic Resonance Imaging -- Ultrasound -- Part II: Clinical Applications -- The Pediatric Knee -- The Knee: Bone Trauma -- Stress Injuries -- The Knee: The Menisci -- The Cruciate and Collateral Ligaments -- Postoperative Meniscus -- The Postoperative Knee: Cruciate and Other Ligaments -- The Postoperative Knee: Arthroplasty, Arthrodesis, Osteotomy -- Patellar and Quadriceps Mechanism: Clinical, Imaging, and Surgical Considerations -- Infection -- Arthritis -- Tumors and Tumorlike Lesions. .