Evaluation of Intracochlear Trauma Caused by Insertion of Cochlear Implant Electrode Arrays through Different Quadrants of the Round Window

Figure 6

(a) Identification of segments 1 and 4. The modiolus is located deeper than the bone surface. (b) Identification of segments 1, 3, and 5. The modiolus is now visible on the surface of the bone. This defines the beginning of segments 3 and 5. (c) Visualization of segments 1 and 3 and the modiolus. (d) Visualization of the beginning of segment 2. The modiolus can no longer be visualized.

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(b)

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(d)