Part 1: Imaging Techniques and Procedures -- Radiography -- CT Arthrography of the Ankle: Technique, Indications, Advantages, and Disadvantages -- MRI and MRI Arthrography of Ankle and Foot -- Ultrasound Imaging of the Ankle -- Intra-articular Injections of the Ankle and Foot (Intervention of Foot and Ankle) -- Part II: Clinical Problems -- Congenital and Developmental Disorders of the Foot and Ankle -- Bone Trauma -- Anterior Ankle Pain -- Posterior Ankle Pain -- Medial Ankle Pain -- Lateral Ankle Pain -- Compressive Neuropathies and Plantar Fascia -- Infection -- Stress Injuries of Ankle and Foot -- Diabetic Foot -- Foot and Ankle Inflammatory Arthritis -- Metabolic Bone Disease -- Osteonecrosis and Osteochondrosis -- Acquired Deformities of Foot and Ankle -- Great Toe Metatarsalgia -- Imaging of the Forefoot -- Tumors and Tumorlike Lesions -- Orthopedic Hardware.