For adequate interpretation of breast ultrasound, the normal breast ultrasonographic anatomy must be clearly understood. The skin of the breast, usually 1 to 3mm thick, is imaged as 2 hyperechoic ...

Transabdominal ultrasound shows a mass (arrows) in the right lobe. Note the echogenic central calcifications, which cast an acoustic shadow (open arrow). Note the lesion extends into the inferior ...

Ultrasound criteria found to be indicative of malignant lymph nodes were hyperechoic punctuations and a cystic appearance; all lymph nodes with either of these characteristics were found to be ...