“…Embolization with various agents to address ruptured and unruptured pseudoaneurysms of the internal maxillary artery has been described [3, 13, 15, 18]. Descriptions of acrylic liquid embolic agent use in the management of pseudoaneurysms without arteriovenous fistula consequent to acute trauma, surgical injury, and radiotherapy of the external carotid artery have been reported [16, 19, 20]. There are no reports describing the use of n-BCA embolization of the sphenopalatine artery for the endovascular management of active oronasal bleeding from a fistulous pseudoaneurysm.…”