Aneurysm of the posterior facial vein.
D000293:Adolescent; D000783:Aneurysm / Q000150:complications / Q000175:diagnosis*; D005145:Face / Q000098:blood supply*; D005260:Female; D006801:Humans; D008336:Mandibular Diseases / Q000000981:diagnostic imaging / Q000209:etiology; D010306:Parotid Gland / Q000601:surgery; D011859:Radiography; D014636:Valsalva Maneuver