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 ...

Duodenal atresia. The incidence of duodenal atresia is 1 in 10,000 live births. The characteristic "double-bubble" sign, corresponding to the dilated stomach and the duodenum, can be seen on ...

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 ...