Non traumatic pseudoaneurysm of the cystic artery as a cause of haemobilia

Cholecystitis-related cystic artery pseudoaneurysm: Case report

“…The inflammatory process weakens the vessel wall by causing thrombosis of the vasa vasorum and damaging the vascular adventitia. Large gallstones that press up against the cystic artery can directly cause erosion, which is another mechanism at work [3] . It may seem odd that cystic artery pseudoaneurysm is so rare given that cholecystitis is a customary manifestation.…”