In adults and in children older than 2–3 months, the renal cortex is normally less echogenic than the liver parenchyma. Some researchers have suggested that hyperechogenicity of the renal cortex ...

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 ...