Fig. 6From: Successful surgical treatment for intrahepatic arterioportal fistula with severe portal hypertension: a case reportMacroscopic and microscopic findings. a Arterioportal fistula could not be identified macroscopically. b Many dilatated vessels can be observed in Glisson’s sheath. Arterioportal fistula (arrow) can also be observed (hematoxylin-eosin stain). c The portal vein and artery are distinguished with special staining. The same specimen shows an arterioportal fistula (Elastica van Gieson staining)Back to article page