Pathologic Features of the Cochlear Nerve in Profound Deafness

Neuroanatomical correlation of the House-Brackmann grading system in the microsurgical treatment of vestibular schwannoma

“…However, evidence from histological studies of the interface between a VS and the cochlear nerve from en bloc-resected VS tissue suggests that no well-defined connective tissue structure exists between the cochlear nerve and tumor tissue. 60,67,68,104,105 The histological data on the facial nerve and tumor interface are much more scarce, however, due to efforts to preserve facial nerve function among surgeons. Nevertheless, studies exist that examine the interface between facial nerve and tumor, and all demonstrate lack of such interface in at least parts of the tumor, if not in all observable parts of the tumor histologically.…”

Assessment of the cochlear nerve to facial nerve size ratio using MR multiplanar reconstruction of the internal auditory canal in patients presenting with acquired long-standing hearing loss

“…9 The facial nerve has been subjectively used as a reference for assessment of the size of the cochlear nerve in children with congenital unilateral SNHL in a previous study. 10 Although most studies described a form of cochlear nerve size reduction associated with SNHL, 9,11 none of the previously published studies took into consideration possible constitutional differences or attempted to compare the size of the cochlear nerve to the size of other structures to neutralize such differences in an objective study in patients suffering from acquired long-standing SNHL.…”