A case of an aneurysm of the pancreaticoduodenal artery is reported, together with a short review of the literature relating to this condition Because of its rarity the diagnosis is often overlooked even when typical changes are found on X-ray. The possible relationship between obstructive jaundice and aneurysms in the vicinity of the galltree is discussed. Surgical treatment is recommended by most authors once the diagnosis of an intra-abdominal aneurysm has been made, mainly because of the risk of rupture.