Epilepsy & Seizures
Hemiconvulsion-hemiplegia-epilepsy syndrome
Apr. 03, 2023
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Visibility of vestibular aqueduct grading on the Pöschl planes on temporal bone CT
(a) Grade 0 with a continuous vestibular aqueduct (arrow). (b) Grade I with a discontinuous vestibular aqueduct (arrow). (c) Grade II with a complete ossification of vestibular aqueduct. Note: The Pöschl projection is used in imaging the temporal bone: the plane of projection is perpendicular to the long axis of the temporal bone. (Source: Xia K, Lei P, Liu Y, et al. Comparison of vestibular aqueduct visualization on computed tomography and magnetic resonance imaging in patients with Ménière's disease. BMC Med Imaging 2024;24[1]:93. Creative Commons Attribution 4.0 International [CC BY 4.0] license, creativecommons.org/licenses/by/4.0.)