The strongest association with Helicobacter pylori is with duodenal peptic ulceration--over 85% of duodenal ulcers. Seen here is a penetrating acute ulceration in the duodenum just beyond the pylorus.

• 幽门螺旋杆菌与十二指肠溃疡密切相关,85%25以上的十二指肠溃疡都有幽门螺杆菌感染。图示刚超过幽门部的十二指肠的急性溃疡。