This issue of Radiologic Clinics, edited by Leslie Scoutt, concentrates on the latest updates in ultrasound. Articles include: 3D Sonography in Gynecologic Imaging; Elastography; Evaluation of Pelvic Masses; Evaluation of the First Trimester; Contrast-Enhanced Ultrasound of the Liver and Kidney; Interpreting Lower Extremity Non Invasive Physiological Studies; Sonography in Thyroid Cancer; Evaluation of Pelvic Pain; Evaluation of the Renal Transplant; Extracranial Carotid Ultrasound Imaging; Sonographic Evaluation of Palpable Superficial Masses; Fetal CNS; Evaluation of Diffuse Liver Disease; Evaluation of Scrotal Masses; Lower Extremity Venous Ultrasound Examination; and more!