Fig. 2From: Comparison of vestibular aqueduct visualization on computed tomography and magnetic resonance imaging in patients with Ménière’s diseaseThe visibility of vestibular aqueduct (VA) grading on the Pöschl planes on temporal bone CT. a Grade 0 with a continuous VA (arrow). b Grade I with a discontinuous VA (arrow). c Grade II with a complete ossification of VABack to article page