Transcatheter arterial embolization for traumatic injury to the pharyngeal branch of the ascending pharyngeal artery: Two case reports

Figure 1 A 49-year-old Japanese woman who underwent transoral endoscopy under sedation for a medical check-up. She suffered a hemorrhage from the nasopharynx due to the injury by the transnasal airway insertion. A: Trans-nasal endoscopy demonstrated formation of a clot at the right Rosenmuller fossa (arrow) posterior to the Torus tubarius (arrowhead); B: Contrast-enhanced computed tomography (CT) revealed extravasation in the nasopharynx (arrow); C: Angiography of the pharyngeal trunk of the ascending pharyngeal artery demonstrated extravasation (arrow); D: Xper CT imaging demonstrated an enhanced artery of the Rosenmuller fossa (arrow) and extravasation (arrowhead); E: Angiography demonstrated an embolized artery of the Rosenmuller fossa (arrow) and artery of Torus tubarius (arrowheads).

Figure 2 A 28-year-old Japanese woman who fell from the sixth floor of a building was transported to our hospital by ambulance. A: Image of the patient during primary treatment in the emergency room. Due to excessive hemorrhage from the mouth, a transoral suction tube was placed in the mouth (arrow); B: Contrast-enhanced computed tomography demonstrated extravasation in the nasopharynx to hypopharynx (circles) and nasal cavity (arrows); C: Angiography of the pharyngeal trunk of the ascending pharyngeal artery demonstrated extravasation.