Isolated Tympanic Plate Fracture Frequency and Its Relationship to Mandibular Trauma Canan Altay, MD, Nezahat Erdoğan, MD, Ozan Batkı, MD, Erdem Eren,

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Isolated Tympanic Plate Fracture Frequency and Its Relationship to Mandibular Trauma Canan Altay, MD, Nezahat Erdoğan, MD, Ozan Batkı, MD, Erdem Eren, MD, Sedat Altay, MD, Şebnem Karasu, MD, Berna Mete, MD, Engin Uluç, MD Canadian Association of Radiologists Journal Volume 65, Issue 4, Pages 360-365 (November 2014) DOI: 10.1016/j.carj.2014.02.004 Copyright © 2014 Canadian Association of Radiologists Terms and Conditions

Figure 1 Axial maxillofacial computed tomography, showing the normal tympanic plate (red arrows). Canadian Association of Radiologists Journal 2014 65, 360-365DOI: (10.1016/j.carj.2014.02.004) Copyright © 2014 Canadian Association of Radiologists Terms and Conditions

Figure 2 (A) Axial computed tomographic (CT) images through the mandibular angle and coronoid process, showing a nondisplaced left mandibular angle and right subcondylar fractures (white arrows). (B) Axial CT through the temporomandibular joint, showing bilateral tympanic plate fractures (vertical red arrows) and a right condylar process fracture (horizontal red arrow). Canadian Association of Radiologists Journal 2014 65, 360-365DOI: (10.1016/j.carj.2014.02.004) Copyright © 2014 Canadian Association of Radiologists Terms and Conditions

Figure 3 (A) Axial computed tomography (CT), showing a nondisplaced mentum fracture and a minimally displaced retracted right mandibular body fracture, which extends mildly obliquely laterally. Note that the fracture just enters the socket of the right premolars. In addition, bilateral displaced condylar process fractures are seen (white arrows). Note that both condylar heads are dislocated and displaced anteriorly and inferiorly from the glenoid fossa. (B) Axial CT through the temporomandibular joint, showing bilateral tympanic plate fractures (red arrows). Canadian Association of Radiologists Journal 2014 65, 360-365DOI: (10.1016/j.carj.2014.02.004) Copyright © 2014 Canadian Association of Radiologists Terms and Conditions

Figure 4 (A) Axial computed tomography (CT) at the level of the pterygoid base, showing a right subcondylar fracture, with typical displacement, and a displaced minimally retracted left coronoid process fracture (white arrows). (B) Axial CT through the temporomandibular junction, showing a right tympanic plate fracture (red arrow) with a soft-tissue density in the right external auditory canal due to hemorrhage. Canadian Association of Radiologists Journal 2014 65, 360-365DOI: (10.1016/j.carj.2014.02.004) Copyright © 2014 Canadian Association of Radiologists Terms and Conditions

Figure 5 Axial computed tomography and a sagittal reformatted image through the right external auditory canal (EAC), showing a minimally displaced right tympanic plate fracture and a polypoid soft-tissue mass prolapsed into the EAC due to a local hematoma (red arrows). Canadian Association of Radiologists Journal 2014 65, 360-365DOI: (10.1016/j.carj.2014.02.004) Copyright © 2014 Canadian Association of Radiologists Terms and Conditions