An autopsy case of a primary aortoenteric fistula: A pitfall of the endoscopic diagnosis

Figure 6 Formalin-fixed duodenum and aorta specimen demonstrating a sonde inserted from the rupture on the duodenal mucosa to the inside of the aortic lumen (A), horizontal cross sections showing a firm adhesion between the aorta and its wall as well as a rupture (black arrow) on the third part of the duodenum (B); and a microphotograph of a horizontal cross section showing an adhesion between the duodenum and the aorta with atherosclerosis-contained clotted blood (C). The histology of the duodenal appears normal (HE, × 5).