Psimopoulou M, Antoniades K, Magoudi D, Karakasis D
Department of Oral & Maxillofacial Surgery, Dental School, Aristotle University of Thessaloniki, Greece.
Dentomaxillofac Radiol. 1997 Nov;26(6):344-6. doi: 10.1038/sj.dmfr.4600297.
Bleeding from the external auditory canal following head trauma is not unusual. It can be caused by a posterior dislocation of the mandibular condyle associated with a fracture of the tympanic bone. Although posterior dislocation is uncommon, it is the second most frequent complication after antero-medial displacement of the condyle. We report four cases of tympanic plate fracture and present CT images demonstrating the range of injuries seen.
头部外伤后外耳道出血并不罕见。它可能由与鼓骨骨折相关的下颌骨髁突后脱位引起。虽然髁突后脱位并不常见，但它是髁突前内侧移位后第二常见的并发症。我们报告了4例鼓室壁骨折病例，并展示了显示所见损伤范围的CT图像。
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