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Insights into Imaging
Fig. 9 | Insights into Imaging

Fig. 9

From: Imaging of sensorineural hearing loss: a pattern-based approach to diseases of the inner ear and cerebellopontine angle

Fig. 9

Abnormal development of the internal auditory canal. a This child with congenital sensorineural hearing loss has a stenosis of the cochlear aperture (black arrow) on CT, indicative of a congenital malformation of the cochlear nerve. b-f Patient 2 shows a duplication of the internal auditory canal. The separate canal for the facial nerve is indicated by a white arrow. The canal for the cochlear nerve is very narrow; the cochlear nerve is usually aplastic or hypoplastic in these cases

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