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A and B, Two patients with abnormalities of the cochlea, caused by meningitis. Neither of the abnormalities was considered a contraindication to implantation, which was successfully conducted in both cases.
A, Patient with an occlusion of the terminal portion of the cochlea (arrow).
B, Patient with an abnormality just distal to the basal turn (arrow). Since CT findings were normal, this is assumed to represent a fibrotic narrowing of the cochlear fluid channels.
