Article Figures & Data
Figures
- Fig 1.
External sagittal view of the left temporal bone depicting the tympanic plate as it forms part of the anterior wall of the external auditory canal.
- Fig 2.
Oblique 3D view of the skull, including the external portion of the left temporal bone and the Pöschl plane for CT reformatting superimposed. This Pöschl plane view is depicted in the inset along with a TPF and some of the possible associated traumatic injuries.
- Fig 3.
HRCT images with Pöschl views in the same patient demonstrating the tympanic plate (A, white arrow) and the petrotympanic fissure (B, arrowhead).
- Fig 4.
A 66-year-old intoxicated man, status post 2 falls within an hour, each of which led to his head striking a cement floor. Right tympanic plate fractures demonstrated on HRCT. Axial (A), Pöschl (B), and coronal (C) plane views. Tympanic plate fracture is demonstrated by white arrows.
- Fig 5.
A 21-year-old woman, status post motor vehicle collision, with bilateral tympanic plate fractures (only the right one is shown). The complex nature of the right tympanic plate fracture is demonstrated by the white arrows on the axial (A), Pöschl (B), and coronal (C) plane images.
Tables
No. of Temporal Bone Fractures (n = 46) Fracture orientation Transverse 2 (4.4%) Longitudinal 18 (39.1%) Mixed 26 (56.5%) Otic capsule involvement 4 (9%) Pneumocephalus 16 (35%) TMJ gas 15 (33%) TPF 27 (58.7%) Ossicular disruption 17 (37.0%) Fractures involving scutum 25 (54.4%) No. of TPFs (n = 27) P Value Ossicular disruption 14 (51.8%) .016 Scutum fracture 18 (66.6%) .044 Bilateral TPF 7 (25.9%) .52 CT evidence of CN VII involvement 14 (51.9%) .56 Gas within TMJ fossa 11 (40.7%) .21 Note:—CN indicates cranial nerve.
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