These previously undocumented auditory brainstem response abnormalities reflect abnormal neural transmission, which could cause peripheral and central auditory processing disorders. We speculate that the major pathogenic basis of the I-to-III interpeak latency and wave II abnormalities is compression of the auditory nerve as it passes through the internal auditory meatus and posterior fossa, which would explain the auditory nerve hearing loss, tinnitus, and vertigo that affect these children. Awareness of these abnormalities could lead to important advancements in the auditory and neurosurgical assessment and management of this overlooked patient group. We provide recommendations for the improved assessment and management of these patients. In particular, we recommend that auditory brainstem response diagnostics become standard clinical care for this patient group as the best way to detect auditory nerve compression.
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