Figure 2

Corresponding endosonographic image (7.5 MHz) of the same (fig. 1) patient. Hypoechoic mass invading the duodenal wall. Carcinoma of the ampulla of Vater:T2N0. (DL: duodenal lumen, T: tumour mass, CBD: common bile duct, m: muscularis propria, nLN: non metastatic lymph node, P: pancreas).