Fig. 4From: A case report of duodenal arteriovenous malformation: usefulness of intraoperative indocyanine green angiography for precise identification of the lesionPathological findings. a Macroscopically, about 50Â mm of the duodenum is resected. The mucosa of the resected specimen is slightly dark reddish, but is almost intact. b, c Hematoxylin and eosin staining reveals dilated arteries and veins from the layers of the mucosa to the subserosaBack to article page