PMC3623683_01
Electrode array extending into left eustachian tube with distal tip in nasopharynx.
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PMC3623683_01_nihms447909f1.jpg
F1
A CT scan showed the electrode extending into the eustachian tube with the distal tip in the posterior aspect of the nasopharynx (Fig. 1).
PMC3623683_02
Electrode array tip extending into the carotid canal at level of first turn.
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PMC3623683_02_nihms447909f2.jpg
F2
The tip of the electrode could be seen extending about a third of the distance into the carotid canal at the level of the first turn (Fig. 2).
PMC3623683_03
Electrode array position within the internal auditory canal.
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PMC3623683_03_nihms447909f3.jpg
F3
CT scan of temporal bones demonstrated the electrode array to be positioned within the internal auditory canal (Fig. 3).
PMC3623683_04
Electrode array extending into the vestibule.
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PMC3623683_04_nihms447909f4.jpg
F4
CT temporal bone demonstrated the electrode to have pierced the thin bone above the round window and coursed superiorly and posteriorly, extending into the vestibule, immediately anteromedial to the lateral semicircular canal (Fig. 4).