Figure 1From: Dieulafoy's lesion of duodenum: a case report DL of the duodenum. Note the deformed duodenal bulb with small clot adherent to the mucosa in the postbulbar area. The mucosa is normal and there is no evidence of any duodenal ulcer. Lesion was missed on (first) endoscopy because it was covered with the tiny clot and the surrounding mucosa was normal.Back to article page