“…The main etiological factors include arteriosclerosis, trauma, infections, cystic medial necrosis, fibromuscular dysplasia and congenital anomalies [15]. In the literature, pseudoaneurysms of the branches of external carotid artery have been reported following tonsillectomy [16], neck dissection [17,18] and ORIF of a mandibular fracture [19,20], Le Fort I osteotomies [21,22], temporomandibular joint surgery [23,24], and mandibular vertical ramus osteotomy [25]. Majority of reports have described blunt trauma [14,26,27] and penetrating injuries [4,[28][29][30] as the most common etiological factor.…”