3. Bilateral dysplastic vestibules and lateral semicircular canals. Normal vestibular aqueducts. Correlation with sensorineural hearing loss is recommended. END OF IMPRESSION: CT BRAIN WITH 3-D REFORMATIONS, WITHOUT CONTRAST CLINICAL INDICATION: Term infant with possible craniosynostosis TECHNIQUE: Helically acquired 0.75 mm axial images were obtained at 0.5 mm intervals from the skull base to the vertex.